871 lines
24 KiB
C
871 lines
24 KiB
C
#include "config.h"
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#include "shader/evas_gl_shaders.x"
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#include "evas_gl_common.h"
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#define SHADER_FLAG_SAM_BITSHIFT 3
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#define SHADER_FLAG_MASKSAM_BITSHIFT 6
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#define SHADER_PROG_NAME_FMT "/shader/%08x"
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#define SHADER_BINARY_EET_COMPRESS 1
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#define P(i) ((void*)(intptr_t)i)
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#define I(p) ((int)(intptr_t)p)
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#ifdef WORDS_BIGENDIAN
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# define BASEFLAG SHADER_FLAG_BIGENDIAN
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#else
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# define BASEFLAG 0
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#endif
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typedef enum {
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SHADER_FLAG_TEX = (1 << 0),
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SHADER_FLAG_BGRA = (1 << 1),
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SHADER_FLAG_MASK = (1 << 2),
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SHADER_FLAG_SAM12 = (1 << (SHADER_FLAG_SAM_BITSHIFT + 0)),
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SHADER_FLAG_SAM21 = (1 << (SHADER_FLAG_SAM_BITSHIFT + 1)),
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SHADER_FLAG_SAM22 = (1 << (SHADER_FLAG_SAM_BITSHIFT + 2)),
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SHADER_FLAG_MASKSAM12 = (1 << (SHADER_FLAG_MASKSAM_BITSHIFT + 0)),
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SHADER_FLAG_MASKSAM21 = (1 << (SHADER_FLAG_MASKSAM_BITSHIFT + 1)),
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SHADER_FLAG_MASKSAM22 = (1 << (SHADER_FLAG_MASKSAM_BITSHIFT + 2)),
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SHADER_FLAG_IMG = (1 << 9),
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SHADER_FLAG_BIGENDIAN = (1 << 10),
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SHADER_FLAG_YUV = (1 << 11),
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SHADER_FLAG_YUY2 = (1 << 12),
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SHADER_FLAG_NV12 = (1 << 13),
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SHADER_FLAG_YUV_709 = (1 << 14),
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SHADER_FLAG_EXTERNAL = (1 << 15),
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SHADER_FLAG_AFILL = (1 << 16),
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SHADER_FLAG_NOMUL = (1 << 17),
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SHADER_FLAG_ALPHA = (1 << 18),
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SHADER_FLAG_RGB_A_PAIR = (1 << 19),
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} Shader_Flag;
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#define SHADER_FLAG_COUNT 20
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static const char *_shader_flags[SHADER_FLAG_COUNT] = {
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"TEX",
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"BGRA",
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"MASK",
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"SAM12",
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"SAM21",
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"SAM22",
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"MASKSAM12",
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"MASKSAM21",
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"MASKSAM22",
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"IMG",
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"BIGENDIAN",
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"YUV",
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"YUY2",
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"NV12",
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"YUV_709",
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"EXTERNAL",
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"AFILL",
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"NOMUL",
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"ALPHA",
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"RGB_A_PAIR"
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};
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static Eina_Bool compiler_released = EINA_FALSE;
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static void
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gl_compile_link_error(GLuint target, const char *action, Eina_Bool is_shader)
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{
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int loglen = 0, chars = 0;
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char *logtxt;
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if (is_shader)
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/* Shader info log */
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glGetShaderiv(target, GL_INFO_LOG_LENGTH, &loglen);
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else
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/* Program info log */
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glGetProgramiv(target, GL_INFO_LOG_LENGTH, &loglen);
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if (loglen > 0)
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{
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logtxt = calloc(loglen, sizeof(char));
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if (logtxt)
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{
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if (is_shader) glGetShaderInfoLog(target, loglen, &chars, logtxt);
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else glGetProgramInfoLog(target, loglen, &chars, logtxt);
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ERR("Failed to %s: %s", action, logtxt);
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free(logtxt);
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}
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}
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}
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static Evas_GL_Program *
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_evas_gl_common_shader_program_binary_load(Eet_File *ef, unsigned int flags)
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{
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int num = 0, length = 0;
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int *formats = NULL;
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void *data = NULL;
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char pname[32];
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GLint ok = 0, prg, vtx = GL_NONE, frg = GL_NONE;
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Evas_GL_Program *p = NULL;
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Eina_Bool direct = 1;
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if (!ef || !glsym_glProgramBinary) return NULL;
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sprintf(pname, SHADER_PROG_NAME_FMT, flags);
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data = (void *) eet_read_direct(ef, pname, &length);
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if (!data)
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{
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data = eet_read(ef, pname, &length);
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direct = 0;
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}
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if ((!data) || (length <= 0)) goto finish;
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glGetIntegerv(GL_NUM_PROGRAM_BINARY_FORMATS, &num);
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if (num <= 0) goto finish;
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formats = calloc(num, sizeof(int));
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if (!formats) goto finish;
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glGetIntegerv(GL_PROGRAM_BINARY_FORMATS, formats);
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if (!formats[0]) goto finish;
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prg = glCreateProgram();
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#if 1
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// TODO: invalid rendering error occurs when attempting to use a
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// glProgramBinary. in order to render correctly we should create a dummy
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// vertex shader.
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vtx = glCreateShader(GL_VERTEX_SHADER);
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glAttachShader(prg, vtx);
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frg = glCreateShader(GL_FRAGMENT_SHADER);
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glAttachShader(prg, frg);
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#endif
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glsym_glProgramBinary(prg, formats[0], data, length);
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glBindAttribLocation(prg, SHAD_VERTEX, "vertex");
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glBindAttribLocation(prg, SHAD_COLOR, "color");
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glBindAttribLocation(prg, SHAD_TEXUV, "tex_coord");
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glBindAttribLocation(prg, SHAD_TEXUV2, "tex_coord2");
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glBindAttribLocation(prg, SHAD_TEXUV3, "tex_coord3");
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glBindAttribLocation(prg, SHAD_TEXA, "tex_coorda");
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glBindAttribLocation(prg, SHAD_TEXSAM, "tex_sample");
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glBindAttribLocation(prg, SHAD_MASK, "mask_coord");
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glBindAttribLocation(prg, SHAD_MASKSAM, "tex_masksample");
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glGetProgramiv(prg, GL_LINK_STATUS, &ok);
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if (!ok)
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{
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gl_compile_link_error(prg, "load a program object", EINA_FALSE);
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ERR("Abort load of program (%s)", pname);
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glDeleteProgram(prg);
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goto finish;
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}
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p = calloc(1, sizeof(*p));
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p->flags = flags;
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p->prog = prg;
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p->reset = EINA_TRUE;
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p->bin_saved = EINA_TRUE;
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evas_gl_common_shader_textures_bind(p);
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finish:
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if (vtx) glDeleteShader(vtx);
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if (frg) glDeleteShader(frg);
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free(formats);
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if (!direct) free(data);
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return p;
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}
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static int
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_evas_gl_common_shader_program_binary_save(Evas_GL_Program *p, Eet_File *ef)
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{
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void* data = NULL;
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GLenum format;
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int length = 0, size = 0;
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char pname[32];
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if (!glsym_glGetProgramBinary) return 0;
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glGetProgramiv(p->prog, GL_PROGRAM_BINARY_LENGTH, &length);
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if (length <= 0) return 0;
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data = malloc(length);
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if (!data) return 0;
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glsym_glGetProgramBinary(p->prog, length, &size, &format, data);
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if (length != size)
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{
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free(data);
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return 0;
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}
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sprintf(pname, SHADER_PROG_NAME_FMT, p->flags);
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if (eet_write(ef, pname, data, length, SHADER_BINARY_EET_COMPRESS) < 0)
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{
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free(data);
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return 0;
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}
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free(data);
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p->bin_saved = 1;
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return 1;
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}
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static int
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_evas_gl_common_shader_binary_init(Evas_GL_Shared *shared)
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{
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Eet_File *ef = NULL;
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char bin_dir_path[PATH_MAX];
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char bin_file_path[PATH_MAX];
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if (!shared || !shared->info.bin_program)
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return 1;
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if (shared->shaders_cache)
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return 1;
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if (!evas_gl_common_file_cache_dir_check(bin_dir_path, sizeof(bin_dir_path)))
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return 0;
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if (!evas_gl_common_file_cache_file_check(bin_dir_path, "binary_shader", bin_file_path,
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sizeof(bin_dir_path)))
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return 0;
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if (!eet_init()) return 0;
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ef = eet_open(bin_file_path, EET_FILE_MODE_READ);
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if (!ef) goto error;
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shared->shaders_cache = ef;
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return 1;
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error:
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if (ef) eet_close(ef);
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eet_shutdown();
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return 0;
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}
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static int
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_evas_gl_common_shader_binary_save(Evas_GL_Shared *shared)
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{
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// FIXME: Save should happen early, before shutdown.
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char bin_dir_path[PATH_MAX];
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char bin_file_path[PATH_MAX];
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char tmp_file[PATH_MAX];
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int tmpfd, res = 0, copy;
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Eet_File *ef = NULL;
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Evas_GL_Program *p;
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Eina_Iterator *it;
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char pname[32];
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if (!evas_gl_common_file_cache_dir_check(bin_dir_path, sizeof(bin_dir_path)))
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{
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res = evas_gl_common_file_cache_mkpath(bin_dir_path);
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if (!res) return 0; /* we can't make directory */
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}
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copy = evas_gl_common_file_cache_file_check(bin_dir_path, "binary_shader", bin_file_path,
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sizeof(bin_dir_path));
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/* use mkstemp for writing */
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snprintf(tmp_file, sizeof(tmp_file), "%s.XXXXXX.cache", bin_file_path);
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tmpfd = eina_file_mkstemp(tmp_file, NULL);
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if (tmpfd < 0) return 0;
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close(tmpfd);
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/* use eet */
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if (!eet_init()) return 0;
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/* copy old file */
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if (copy)
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eina_file_copy(bin_file_path, tmp_file, EINA_FILE_COPY_DATA, NULL, NULL);
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ef = eet_open(tmp_file, EET_FILE_MODE_READ_WRITE);
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if (!ef) goto error;
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it = eina_hash_iterator_data_new(shared->shaders_hash);
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EINA_ITERATOR_FOREACH(it, p)
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{
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if (!p->bin_saved)
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{
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int len = 0;
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sprintf(pname, SHADER_PROG_NAME_FMT, p->flags);
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eet_read_direct(ef, pname, &len);
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if (len > 0)
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p->bin_saved = 1; // assume bin data is correct
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else
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_evas_gl_common_shader_program_binary_save(p, ef);
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}
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}
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eina_iterator_free(it);
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if (shared->shaders_cache)
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{
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eet_close(shared->shaders_cache);
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shared->shaders_cache = NULL;
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eet_shutdown();
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}
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if (eet_close(ef) != EET_ERROR_NONE) goto destroyed;
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if (rename(tmp_file, bin_file_path) < 0) goto destroyed;
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eet_shutdown();
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return 1;
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destroyed:
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ef = NULL;
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error:
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if (ef) eet_close(ef);
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if (evas_gl_common_file_cache_file_exists(tmp_file)) unlink(tmp_file);
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eet_shutdown();
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return 0;
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}
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static inline void
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_program_del(Evas_GL_Program *p)
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{
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if (p->prog) glDeleteProgram(p->prog);
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free(p);
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}
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static void
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_shaders_hash_free_cb(void *data)
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{
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_program_del(data);
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}
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static char *
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evas_gl_common_shader_glsl_get(unsigned int flags, const char *base)
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{
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Eina_Strbuf *s = eina_strbuf_new();
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unsigned int k;
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char *str;
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for (k = 0; k < SHADER_FLAG_COUNT; k++)
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{
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if (flags & (1 << k))
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eina_strbuf_append_printf(s, "#define SHD_%s\n", _shader_flags[k]);
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}
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eina_strbuf_append(s, base);
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str = eina_strbuf_string_steal(s);
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eina_strbuf_free(s);
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return str;
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}
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static Evas_GL_Program *
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evas_gl_common_shader_compile(unsigned int flags, const char *vertex,
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const char *fragment)
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{
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Evas_GL_Program *p;
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GLuint vtx, frg, prg;
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GLint ok = 0;
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compiler_released = EINA_FALSE;
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vtx = glCreateShader(GL_VERTEX_SHADER);
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frg = glCreateShader(GL_FRAGMENT_SHADER);
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glShaderSource(vtx, 1, &vertex, NULL);
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glCompileShader(vtx);
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glGetShaderiv(vtx, GL_COMPILE_STATUS, &ok);
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if (!ok)
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{
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gl_compile_link_error(vtx, "compile vertex shader", EINA_TRUE);
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ERR("Abort compile of vertex shader:\n%s", vertex);
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glDeleteShader(vtx);
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return NULL;
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}
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ok = 0;
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glShaderSource(frg, 1, &fragment, NULL);
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glCompileShader(frg);
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glGetShaderiv(frg, GL_COMPILE_STATUS, &ok);
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if (!ok)
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{
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gl_compile_link_error(frg, "compile fragment shader", EINA_TRUE);
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ERR("Abort compile of fragment shader:\n%s", fragment);
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glDeleteShader(vtx);
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glDeleteShader(frg);
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return NULL;
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}
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ok = 0;
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prg = glCreateProgram();
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#ifndef GL_GLES
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if ((glsym_glGetProgramBinary) && (glsym_glProgramParameteri))
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glsym_glProgramParameteri(prg, GL_PROGRAM_BINARY_RETRIEVABLE_HINT, GL_TRUE);
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#endif
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glAttachShader(prg, vtx);
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glAttachShader(prg, frg);
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glBindAttribLocation(prg, SHAD_VERTEX, "vertex");
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glBindAttribLocation(prg, SHAD_COLOR, "color");
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glBindAttribLocation(prg, SHAD_TEXUV, "tex_coord");
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glBindAttribLocation(prg, SHAD_TEXUV2, "tex_coord2");
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glBindAttribLocation(prg, SHAD_TEXUV3, "tex_coord3");
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glBindAttribLocation(prg, SHAD_TEXA, "tex_coorda");
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glBindAttribLocation(prg, SHAD_TEXSAM, "tex_sample");
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glBindAttribLocation(prg, SHAD_MASK, "mask_coord");
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glBindAttribLocation(prg, SHAD_MASKSAM, "tex_masksample");
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glLinkProgram(prg);
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glGetProgramiv(prg, GL_LINK_STATUS, &ok);
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if (!ok)
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{
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gl_compile_link_error(prg, "link fragment and vertex shaders", EINA_FALSE);
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ERR("Abort compile of shader (flags: %08x)", flags);
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glDeleteShader(vtx);
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glDeleteShader(frg);
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glDeleteProgram(prg);
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return 0;
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}
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p = calloc(1, sizeof(*p));
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p->flags = flags;
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p->prog = prg;
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p->reset = EINA_TRUE;
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glDeleteShader(vtx);
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glDeleteShader(frg);
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return p;
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}
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static Eina_List *
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evas_gl_common_shader_precompile_list(Evas_GL_Shared *shared)
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{
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int bgra, mask, sam, masksam, img, nomul, afill, yuv;
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Eina_List *li = NULL;
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if (!shared) return NULL;
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// rect
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li = eina_list_append(li, P(BASEFLAG));
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// text
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for (mask = 0; mask <= 1; mask++)
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for (masksam = SHD_SAM11; masksam < (mask ? SHD_SAM_LAST : 1); masksam++)
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{
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int flags = BASEFLAG | SHADER_FLAG_TEX | SHADER_FLAG_ALPHA;
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if (mask) flags |= SHADER_FLAG_MASK;
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if (masksam) flags |= (1 << (SHADER_FLAG_MASKSAM_BITSHIFT + masksam - 1));
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li = eina_list_append(li, P(flags));
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}
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// images
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for (mask = 0; mask <= 1; mask++)
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for (masksam = SHD_SAM11; masksam < (mask ? SHD_SAM_LAST : 1); masksam++)
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for (sam = SHD_SAM11; sam < SHD_SAM_LAST; sam++)
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for (bgra = 0; bgra <= shared->info.bgra; bgra++)
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for (img = 0; img <= 1; img++)
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for (nomul = 0; nomul <= 1; nomul++)
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for (afill = 0; afill <= (mask ? 0 : 1); afill++)
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{
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int flags = BASEFLAG | SHADER_FLAG_TEX;
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if (mask) flags |= SHADER_FLAG_MASK;
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if (masksam) flags |= (1 << (SHADER_FLAG_MASKSAM_BITSHIFT + masksam - 1));
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if (sam) flags |= (1 << (SHADER_FLAG_SAM_BITSHIFT + sam - 1));
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if (bgra) flags |= SHADER_FLAG_BGRA;
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if (img) flags |= SHADER_FLAG_IMG;
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if (nomul) flags |= SHADER_FLAG_NOMUL;
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if (afill) flags |= SHADER_FLAG_AFILL;
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li = eina_list_append(li, P(flags));
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}
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// yuv
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for (yuv = SHADER_FLAG_YUV; yuv <= SHADER_FLAG_YUV_709; yuv *= 2)
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for (mask = 0; mask <= 1; mask++)
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for (masksam = SHD_SAM11; masksam < (mask ? SHD_SAM_LAST : 1); masksam++)
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for (nomul = 0; nomul <= 1; nomul++)
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{
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int flags = BASEFLAG | SHADER_FLAG_TEX | yuv;
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if (mask) flags |= SHADER_FLAG_MASK;
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if (masksam) flags |= (1 << (SHADER_FLAG_MASKSAM_BITSHIFT + masksam - 1));
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if (yuv == SHADER_FLAG_YUV_709) flags |= SHADER_FLAG_YUV;
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if (nomul) flags |= SHADER_FLAG_NOMUL;
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li = eina_list_append(li, P(flags));
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}
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// rgb+a pair, external, and others will not be precompiled.
|
|
|
|
DBG("Built list of %d shaders to precompile", eina_list_count(li));
|
|
return li;
|
|
}
|
|
|
|
static Evas_GL_Program *
|
|
evas_gl_common_shader_generate_and_compile(Evas_GL_Shared *shared, unsigned int flags)
|
|
{
|
|
char *vertex, *fragment;
|
|
Evas_GL_Program *p;
|
|
|
|
if (eina_hash_find(shared->shaders_hash, &flags))
|
|
return NULL;
|
|
|
|
vertex = evas_gl_common_shader_glsl_get(flags, vertex_glsl);
|
|
fragment = evas_gl_common_shader_glsl_get(flags, fragment_glsl);
|
|
|
|
p = evas_gl_common_shader_compile(flags, vertex, fragment);
|
|
if (p)
|
|
{
|
|
shared->needs_shaders_flush = 1;
|
|
evas_gl_common_shader_textures_bind(p);
|
|
eina_hash_add(shared->shaders_hash, &flags, p);
|
|
}
|
|
else WRN("Failed to compile a shader (flags: %08x)", flags);
|
|
|
|
free(vertex);
|
|
free(fragment);
|
|
|
|
return p;
|
|
}
|
|
|
|
static int
|
|
evas_gl_common_shader_precompile_all(Evas_GL_Shared *shared)
|
|
{
|
|
Eina_List *li = evas_gl_common_shader_precompile_list(shared);
|
|
Evas_GL_Program *p;
|
|
int total, cnt = 0;
|
|
void *data;
|
|
|
|
total = eina_list_count(li);
|
|
EINA_LIST_FREE(li, data)
|
|
{
|
|
p = evas_gl_common_shader_generate_and_compile(shared, I(data));
|
|
if (p)
|
|
{
|
|
p->delete_me = 1;
|
|
cnt++;
|
|
}
|
|
}
|
|
|
|
DBG("Precompiled %d/%d shaders!", cnt, total);
|
|
return cnt;
|
|
}
|
|
|
|
int
|
|
evas_gl_common_shader_program_init(Evas_GL_Shared *shared)
|
|
{
|
|
/* most popular shaders */
|
|
const int BGRA = (shared->info.bgra ? SHADER_FLAG_BGRA : 0);
|
|
const int autoload[] = {
|
|
/* rect */ BASEFLAG,
|
|
/* text */ BASEFLAG | SHADER_FLAG_TEX | SHADER_FLAG_ALPHA,
|
|
/* img1 */ BASEFLAG | SHADER_FLAG_TEX | SHADER_FLAG_IMG | BGRA,
|
|
/* img2 */ BASEFLAG | SHADER_FLAG_TEX | SHADER_FLAG_IMG | SHADER_FLAG_NOMUL | BGRA,
|
|
};
|
|
Evas_GL_Program *p;
|
|
unsigned i;
|
|
|
|
shared->shaders_hash = eina_hash_int32_new(_shaders_hash_free_cb);
|
|
if (_evas_gl_common_shader_binary_init(shared))
|
|
{
|
|
for (i = 0; i < (sizeof(autoload) / sizeof(autoload[0])); i++)
|
|
{
|
|
p = _evas_gl_common_shader_program_binary_load(shared->shaders_cache, autoload[i]);
|
|
if (p)
|
|
{
|
|
evas_gl_common_shader_textures_bind(p);
|
|
eina_hash_add(shared->shaders_hash, &autoload[i], p);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
evas_gl_common_shader_precompile_all(shared);
|
|
for (i = 0; i < (sizeof(autoload) / sizeof(autoload[0])); i++)
|
|
{
|
|
p = eina_hash_find(shared->shaders_hash, &autoload[i]);
|
|
if (p) p->delete_me = 0;
|
|
}
|
|
evas_gl_common_shaders_flush(shared);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
EAPI void
|
|
evas_gl_common_shaders_flush(Evas_GL_Shared *shared)
|
|
{
|
|
|
|
if (!shared) return;
|
|
if (!compiler_released)
|
|
{
|
|
compiler_released = EINA_TRUE;
|
|
#ifdef GL_GLES
|
|
glReleaseShaderCompiler();
|
|
#else
|
|
if (glsym_glReleaseShaderCompiler)
|
|
glsym_glReleaseShaderCompiler();
|
|
#endif
|
|
}
|
|
if (shared->needs_shaders_flush)
|
|
{
|
|
Eina_List *to_delete = NULL;
|
|
Eina_Iterator *it;
|
|
Evas_GL_Program *p;
|
|
|
|
_evas_gl_common_shader_binary_save(shared);
|
|
|
|
it = eina_hash_iterator_data_new(shared->shaders_hash);
|
|
EINA_ITERATOR_FOREACH(it, p)
|
|
{
|
|
if (p->delete_me)
|
|
to_delete = eina_list_append(to_delete, p);
|
|
}
|
|
|
|
EINA_LIST_FREE(to_delete, p)
|
|
eina_hash_del(shared->shaders_hash, &p->flags, p);
|
|
}
|
|
}
|
|
|
|
void
|
|
evas_gl_common_shader_program_shutdown(Evas_GL_Shared *shared)
|
|
{
|
|
if (!shared) return;
|
|
|
|
if (shared->info.bin_program)
|
|
_evas_gl_common_shader_binary_save(shared);
|
|
|
|
if (shared->shaders_cache)
|
|
{
|
|
eet_close(shared->shaders_cache);
|
|
shared->shaders_cache = NULL;
|
|
eet_shutdown();
|
|
}
|
|
|
|
eina_hash_free(shared->shaders_hash);
|
|
shared->shaders_hash = NULL;
|
|
}
|
|
|
|
static inline unsigned int
|
|
evas_gl_common_shader_flags_get(Evas_GL_Shared *shared, Shader_Type type,
|
|
RGBA_Map_Point *map_points, int npoints,
|
|
int r, int g, int b, int a,
|
|
int sw, int sh, int w, int h, Eina_Bool smooth,
|
|
Evas_GL_Texture *tex, Eina_Bool tex_only,
|
|
Evas_GL_Texture *mtex, Eina_Bool mask_smooth,
|
|
int mw, int mh,
|
|
Shader_Sampling *psam, int *pnomul, Shader_Sampling *pmasksam)
|
|
{
|
|
Shader_Sampling sam = SHD_SAM11, masksam = SHD_SAM11;
|
|
int nomul = 1, bgra = 0, afill = 0, k;
|
|
unsigned int flags = BASEFLAG;
|
|
|
|
// image downscale sampling
|
|
if (smooth && ((type == SHD_IMAGE) || (type == SHD_IMAGENATIVE)))
|
|
{
|
|
if ((sw >= (w * 2)) && (sh >= (h * 2)))
|
|
sam = SHD_SAM22;
|
|
else if (sw >= (w * 2))
|
|
sam = SHD_SAM21;
|
|
else if (sh >= (h * 2))
|
|
sam = SHD_SAM12;
|
|
if (sam)
|
|
flags |= (1 << (SHADER_FLAG_SAM_BITSHIFT + sam - 1));
|
|
}
|
|
|
|
// mask downscale sampling
|
|
if (mtex && mask_smooth)
|
|
{
|
|
if ((mtex->w >= (mw * 2)) && (mtex->h >= (mh * 2)))
|
|
masksam = SHD_SAM22;
|
|
else if (mtex->w >= (mw * 2))
|
|
masksam = SHD_SAM21;
|
|
else if (mtex->h >= (mh * 2))
|
|
masksam = SHD_SAM12;
|
|
if (masksam)
|
|
flags |= (1 << (SHADER_FLAG_MASKSAM_BITSHIFT + masksam - 1));
|
|
}
|
|
|
|
switch (type)
|
|
{
|
|
case SHD_RECT:
|
|
case SHD_LINE:
|
|
goto end;
|
|
case SHD_FONT:
|
|
flags |= (SHADER_FLAG_ALPHA | SHADER_FLAG_TEX);
|
|
goto end;
|
|
case SHD_IMAGE:
|
|
flags |= SHADER_FLAG_IMG;
|
|
break;
|
|
case SHD_IMAGENATIVE:
|
|
break;
|
|
case SHD_YUV:
|
|
flags |= SHADER_FLAG_YUV;
|
|
break;
|
|
case SHD_YUY2:
|
|
flags |= SHADER_FLAG_YUY2;
|
|
break;
|
|
case SHD_NV12:
|
|
flags |= SHADER_FLAG_NV12;
|
|
break;
|
|
case SHD_YUV_709:
|
|
flags |= (SHADER_FLAG_YUV_709 | SHADER_FLAG_YUV);
|
|
break;
|
|
case SHD_RGB_A_PAIR:
|
|
case SHD_MAP:
|
|
break;
|
|
default:
|
|
CRI("Impossible shader type.");
|
|
return 0;
|
|
}
|
|
|
|
// color mul
|
|
if ((a == 255) && (r == 255) && (g == 255) && (b == 255))
|
|
{
|
|
if (map_points)
|
|
{
|
|
for (k = 0; k < npoints; k++)
|
|
if (map_points[k].col != 0xffffffff)
|
|
{
|
|
nomul = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
nomul = 0;
|
|
|
|
if (nomul)
|
|
flags |= SHADER_FLAG_NOMUL;
|
|
|
|
// bgra
|
|
if (tex_only)
|
|
{
|
|
if (tex->pt->dyn.img)
|
|
{
|
|
afill = !tex->alpha;
|
|
bgra = 1;
|
|
}
|
|
else if (tex->im && tex->im->native.target == GL_TEXTURE_EXTERNAL_OES)
|
|
{
|
|
flags |= SHADER_FLAG_EXTERNAL;
|
|
afill = !tex->alpha;
|
|
}
|
|
else
|
|
bgra = 1;
|
|
}
|
|
else
|
|
bgra = shared->info.bgra;
|
|
|
|
if (tex)
|
|
flags |= SHADER_FLAG_TEX;
|
|
|
|
if (mtex)
|
|
flags |= SHADER_FLAG_MASK;
|
|
|
|
if (afill)
|
|
flags |= SHADER_FLAG_AFILL;
|
|
|
|
if (bgra)
|
|
flags |= SHADER_FLAG_BGRA;
|
|
|
|
end:
|
|
if (psam) *psam = sam;
|
|
if (pnomul) *pnomul = nomul;
|
|
if (pmasksam) *pmasksam = masksam;
|
|
return flags;
|
|
}
|
|
|
|
void
|
|
evas_gl_common_shader_textures_bind(Evas_GL_Program *p)
|
|
{
|
|
struct {
|
|
const char *name;
|
|
int enabled;
|
|
} textures[] = {
|
|
{ "tex", 0 },
|
|
{ "texm", 0 },
|
|
{ "texa", 0 },
|
|
{ "texu", 0 },
|
|
{ "texv", 0 },
|
|
{ "texuv", 0 },
|
|
{ NULL, 0 }
|
|
};
|
|
Eina_Bool hastex = 0;
|
|
GLint loc;
|
|
int i;
|
|
|
|
if (!p || (p->tex_count > 0)) return;
|
|
|
|
if ((p->flags & SHADER_FLAG_TEX) != 0)
|
|
{
|
|
textures[0].enabled = 1;
|
|
hastex = 1;
|
|
}
|
|
if ((p->flags & SHADER_FLAG_MASK) != 0)
|
|
{
|
|
textures[1].enabled = 1;
|
|
hastex = 1;
|
|
}
|
|
if ((p->flags & SHADER_FLAG_RGB_A_PAIR) != 0)
|
|
{
|
|
textures[2].enabled = 1;
|
|
hastex = 1;
|
|
}
|
|
if (p->flags & SHADER_FLAG_YUV)
|
|
{
|
|
textures[3].enabled = 1;
|
|
textures[4].enabled = 1;
|
|
hastex = 1;
|
|
}
|
|
else if ((p->flags & SHADER_FLAG_NV12) || (p->flags & SHADER_FLAG_YUY2))
|
|
{
|
|
textures[5].enabled = 1;
|
|
hastex = 1;
|
|
}
|
|
|
|
if (hastex)
|
|
{
|
|
glUseProgram(p->prog); // is this necessary??
|
|
for (i = 0; textures[i].name; i++)
|
|
{
|
|
if (!textures[i].enabled) continue;
|
|
loc = glGetUniformLocation(p->prog, textures[i].name);
|
|
if (loc < 0)
|
|
{
|
|
ERR("Couldn't find uniform '%s' (shader: %08x)",
|
|
textures[i].name, p->flags);
|
|
}
|
|
glUniform1i(loc, p->tex_count++);
|
|
}
|
|
}
|
|
}
|
|
|
|
Evas_GL_Program *
|
|
evas_gl_common_shader_program_get(Evas_Engine_GL_Context *gc,
|
|
Shader_Type type,
|
|
RGBA_Map_Point *map_points, int npoints,
|
|
int r, int g, int b, int a,
|
|
int sw, int sh, int w, int h, Eina_Bool smooth,
|
|
Evas_GL_Texture *tex, Eina_Bool tex_only,
|
|
Evas_GL_Texture *mtex, Eina_Bool mask_smooth,
|
|
int mw, int mh,
|
|
Shader_Sampling *psam, int *pnomul,
|
|
Shader_Sampling *pmasksam)
|
|
{
|
|
unsigned int flags;
|
|
Evas_GL_Program *p;
|
|
|
|
flags = evas_gl_common_shader_flags_get(gc->shared, type, map_points, npoints, r, g, b, a,
|
|
sw, sh, w, h, smooth, tex, tex_only,
|
|
mtex, mask_smooth, mw, mh,
|
|
psam, pnomul, pmasksam);
|
|
p = eina_hash_find(gc->shared->shaders_hash, &flags);
|
|
if (!p)
|
|
{
|
|
_evas_gl_common_shader_binary_init(gc->shared);
|
|
if (gc->shared->shaders_cache)
|
|
{
|
|
char pname[32];
|
|
sprintf(pname, SHADER_PROG_NAME_FMT, flags);
|
|
p = _evas_gl_common_shader_program_binary_load(gc->shared->shaders_cache, flags);
|
|
if (p)
|
|
{
|
|
evas_gl_common_shader_textures_bind(p);
|
|
eina_hash_add(gc->shared->shaders_hash, &flags, p);
|
|
goto end;
|
|
}
|
|
}
|
|
p = evas_gl_common_shader_generate_and_compile(gc->shared, flags);
|
|
if (!p) return NULL;
|
|
}
|
|
end:
|
|
if (p->hitcount < PROGRAM_HITCOUNT_MAX)
|
|
p->hitcount++;
|
|
return p;
|
|
}
|