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Seems to work in Cg as well ... :)

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This commit is contained in:
Themaister 2011-05-23 21:04:25 +02:00
parent f4af518fb4
commit 2f539cd326
1 changed files with 83 additions and 8 deletions
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91
gfx/shader_cg.c
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@ -51,6 +51,20 @@ static const char* stock_cg_program =
static CGcontext cgCtx;
struct cg_fbo_params
{
CGparameter vid_size_f;
CGparameter tex_size_f;
CGparameter vid_size_v;
CGparameter tex_size_v;
CGparameter tex;
CGparameter coord;
};
#define MAX_SHADERS 16
#define MAX_TEXTURES 8
struct cg_program
{
CGprogram vprg;
@ -64,14 +78,15 @@ struct cg_program
CGparameter out_size_v;
CGparameter frame_cnt_v;
CGparameter mvp;
struct cg_fbo_params fbo[MAX_SHADERS];
struct cg_fbo_params orig;
};
#define FILTER_UNSPEC 0
#define FILTER_LINEAR 1
#define FILTER_NEAREST 2
#define MAX_SHADERS 16
#define MAX_TEXTURES 8
static struct cg_program prg[MAX_SHADERS];
static bool cg_active = false;
static CGprofile cgVProf, cgFProf;
@ -98,12 +113,9 @@ void gl_cg_set_params(unsigned width, unsigned height,
const struct gl_tex_info *fbo_info,
unsigned fbo_info_cnt)
{
(void)info;
(void)fbo_info;
(void)fbo_info_cnt;
if (cg_active)
{
// Set frame.
cgGLSetParameter2f(prg[active_index].vid_size_f, width, height);
cgGLSetParameter2f(prg[active_index].tex_size_f, tex_width, tex_height);
cgGLSetParameter2f(prg[active_index].out_size_f, out_width, out_height);
@ -114,12 +126,51 @@ void gl_cg_set_params(unsigned width, unsigned height,
cgGLSetParameter2f(prg[active_index].out_size_v, out_width, out_height);
cgGLSetParameter1f(prg[active_index].frame_cnt_v, (float)frame_count);
// Set lookup textures.
for (unsigned i = 0; i < lut_textures_num; i++)
{
CGparameter param = cgGetNamedParameter(prg[active_index].fprg, lut_textures_uniform[i]);
cgGLSetTextureParameter(param, lut_textures[i]);
cgGLEnableTextureParameter(param);
}
// Set orig texture.
if (active_index > 1)
{
cgGLSetTextureParameter(prg[active_index].orig.tex, info->tex);
cgGLEnableTextureParameter(prg[active_index].orig.tex);
cgGLSetParameter2f(prg[active_index].orig.vid_size_v, info->input_size[0], info->input_size[1]);
cgGLSetParameter2f(prg[active_index].orig.vid_size_f, info->input_size[0], info->input_size[1]);
cgGLSetParameter2f(prg[active_index].orig.tex_size_v, info->tex_size[0], info->tex_size[1]);
cgGLSetParameter2f(prg[active_index].orig.tex_size_f, info->tex_size[0], info->tex_size[1]);
cgGLSetParameterPointer(prg[active_index].orig.coord, 2, GL_FLOAT, 0, info->coord);
cgGLEnableClientState(prg[active_index].orig.coord);
}
// Set FBO textures.
if (active_index > 2)
{
for (unsigned i = 0; i < fbo_info_cnt; i++)
{
cgGLSetTextureParameter(prg[active_index].fbo[i].tex, fbo_info[i].tex);
cgGLEnableTextureParameter(prg[active_index].fbo[i].tex);
cgGLSetParameter2f(prg[active_index].fbo[i].vid_size_v,
fbo_info[i].input_size[0], fbo_info[i].input_size[1]);
cgGLSetParameter2f(prg[active_index].fbo[i].vid_size_f,
fbo_info[i].input_size[0], fbo_info[i].input_size[1]);
cgGLSetParameter2f(prg[active_index].fbo[i].tex_size_v,
fbo_info[i].tex_size[0], fbo_info[i].tex_size[1]);
cgGLSetParameter2f(prg[active_index].fbo[i].tex_size_f,
fbo_info[i].tex_size[0], fbo_info[i].tex_size[1]);
cgGLSetParameterPointer(prg[active_index].fbo[i].coord, 2, GL_FLOAT, 0, fbo_info[i].coord);
cgGLEnableClientState(prg[active_index].fbo[i].coord);
}
}
}
}
@ -214,7 +265,6 @@ static bool load_textures(const char *dir_path, config_file_t *conf)
strlcpy(lut_textures_uniform[lut_textures_num], id, sizeof(lut_textures_uniform[lut_textures_num]));
glGenTextures(1, &lut_textures[lut_textures_num]);
pglActiveTexture(GL_TEXTURE0 + lut_textures_num + 1);
glBindTexture(GL_TEXTURE_2D, lut_textures[lut_textures_num]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
@ -235,7 +285,6 @@ static bool load_textures(const char *dir_path, config_file_t *conf)
id = strtok(NULL, ";");;
}
pglActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 0);
free(textures);
return true;
@ -514,6 +563,32 @@ bool gl_cg_init(const char *path)
prg[i].frame_cnt_v = cgGetNamedParameter(prg[i].vprg, "IN.frame_count");
prg[i].mvp = cgGetNamedParameter(prg[i].vprg, "modelViewProj");
cgGLSetStateMatrixParameter(prg[i].mvp, CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_IDENTITY);
prg[i].orig.tex = cgGetNamedParameter(prg[i].fprg, "ORIG.texture");
prg[i].orig.vid_size_v = cgGetNamedParameter(prg[i].vprg, "ORIG.video_size");
prg[i].orig.vid_size_f = cgGetNamedParameter(prg[i].fprg, "ORIG.video_size");
prg[i].orig.tex_size_v = cgGetNamedParameter(prg[i].vprg, "ORIG.texture_size");
prg[i].orig.tex_size_f = cgGetNamedParameter(prg[i].fprg, "ORIG.texture_size");
prg[i].orig.coord = cgGetNamedParameter(prg[i].vprg, "ORIG.tex_coord");
for (unsigned j = 0; j < i - 1; j++)
{
char attr_buf[64];
snprintf(attr_buf, sizeof(attr_buf), "PASS%u.texture", j + 1);
prg[i].fbo[j].tex = cgGetNamedParameter(prg[i].fprg, attr_buf);
snprintf(attr_buf, sizeof(attr_buf), "PASS%u.video_size", j + 1);
prg[i].fbo[j].vid_size_v = cgGetNamedParameter(prg[i].vprg, attr_buf);
prg[i].fbo[j].vid_size_f = cgGetNamedParameter(prg[i].fprg, attr_buf);
snprintf(attr_buf, sizeof(attr_buf), "PASS%u.texture_size", j + 1);
prg[i].fbo[j].tex_size_v = cgGetNamedParameter(prg[i].vprg, attr_buf);
prg[i].fbo[j].tex_size_f = cgGetNamedParameter(prg[i].fprg, attr_buf);
snprintf(attr_buf, sizeof(attr_buf), "PASS%u.tex_coord", j + 1);
prg[i].fbo[j].coord = cgGetNamedParameter(prg[i].vprg, attr_buf);
}
}
cgGLBindProgram(prg[1].fprg);