void COGLExtRender::DisBindTexture(GLuint texture, int unitno)
{
if( m_bEnableMultiTexture )
{
pglActiveTexture(GL_TEXTURE0+unitno);
OPENGL_CHECK_ERRORS;
glBindTexture(GL_TEXTURE_2D, 0); //Not to bind any texture
OPENGL_CHECK_ERRORS;
}
else
OGLRender::DisBindTexture(texture, unitno);
}
void COGLExtRender::EnableTexUnit(int unitno, BOOL flag)
{
if( m_texUnitEnabled[unitno] != flag )
{
m_texUnitEnabled[unitno] = flag;
pglActiveTexture(GL_TEXTURE0_ARB+unitno);
OPENGL_CHECK_ERRORS;
if( flag == TRUE )
glEnable(GL_TEXTURE_2D);
else
glDisable(GL_TEXTURE_2D);
OPENGL_CHECK_ERRORS;
}
}
void COGLExtRender::SetTexWrapS(int unitno,GLuint flag)
{
static GLuint mflag[8];
static GLuint mtex[8];
if( m_curBoundTex[unitno] != mtex[unitno] || mflag[unitno] != flag )
{
pglActiveTexture(GL_TEXTURE0+unitno);
OPENGL_CHECK_ERRORS;
mtex[unitno] = m_curBoundTex[0];
mflag[unitno] = flag;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, flag);
OPENGL_CHECK_ERRORS;
}
}
//========================================================================
void COGLColorCombiner4::InitCombinerCycleFill(void)
{
for( int i=0; i<m_supportedStages; i++ )
{
pglActiveTexture(GL_TEXTURE0_ARB+i);
OPENGL_CHECK_ERRORS;
m_pOGLRender->EnableTexUnit(i, false);
}
//pglActiveTexture(GL_TEXTURE0_ARB);
//m_pOGLRender->EnableTexUnit(0, false);
//pglActiveTexture(GL_TEXTURE1_ARB);
//m_pOGLRender->EnableTexUnit(1, false);
}
void COGLExtRender::SetTextureUFlag(TextureUVFlag dwFlag, uint32 dwTile)
{
TileUFlags[dwTile] = dwFlag;
if( !m_bEnableMultiTexture )
{
OGLRender::SetTextureUFlag(dwFlag, dwTile);
return;
}
int tex;
if( dwTile == gRSP.curTile )
tex=0;
else if( dwTile == ((gRSP.curTile+1)&7) )
tex=1;
else
{
if( dwTile == ((gRSP.curTile+2)&7) )
tex=2;
else if( dwTile == ((gRSP.curTile+3)&7) )
tex=3;
else
{
TRACE2("Incorrect tile number for OGL SetTextureUFlag: cur=%d, tile=%d", gRSP.curTile, dwTile);
return;
}
}
for( int textureNo=0; textureNo<8; textureNo++)
{
if( m_textureUnitMap[textureNo] == tex )
{
pglActiveTexture(GL_TEXTURE0_ARB+textureNo);
OPENGL_CHECK_ERRORS;
COGLTexture* pTexture = g_textures[(gRSP.curTile+tex)&7].m_pCOGLTexture;
if( pTexture )
{
EnableTexUnit(textureNo,TRUE);
BindTexture(pTexture->m_dwTextureName, textureNo);
}
SetTexWrapS(textureNo, OGLXUVFlagMaps[dwFlag].realFlag);
}
}
}
void COGLExtRender::BindTexture(GLuint texture, int unitno)
{
if( m_bEnableMultiTexture )
{
if( unitno < m_maxTexUnits )
{
if( m_curBoundTex[unitno] != texture )
{
pglActiveTexture(GL_TEXTURE0_ARB+unitno);
OPENGL_CHECK_ERRORS;
glBindTexture(GL_TEXTURE_2D,texture);
OPENGL_CHECK_ERRORS;
m_curBoundTex[unitno] = texture;
}
}
}
else
{
OGLRender::BindTexture(texture, unitno);
}
}
void COGLColorCombiner4::GenerateCombinerSettingConstants(int index)
{
OGLExtCombinerSaveType &res = m_vCompiledSettings[index];
float *fv;
float tempf[4];
bool isUsed = true;
if( res.primIsUsed )
{
fv = GetPrimitiveColorfv(); // CONSTANT COLOR
}
else if( res.envIsUsed )
{
fv = GetEnvColorfv(); // CONSTANT COLOR
}
else if( res.lodFracIsUsed )
{
float frac = gRDP.LODFrac / 255.0f;
tempf[0] = tempf[1] = tempf[2] = tempf[3] = frac;
fv = &tempf[0];
}
else
{
isUsed = false;
}
if( isUsed )
{
for( int i=0; i<res.numOfUnits; i++ )
{
pglActiveTexture(GL_TEXTURE0_ARB+i);
OPENGL_CHECK_ERRORS;
glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,fv);
OPENGL_CHECK_ERRORS;
}
}
}
static bool get_texture_image(const char *shader_path, xmlNodePtr ptr)
{
if (gl_teximage_cnt >= MAX_TEXTURES)
{
RARCH_WARN("Too many texture images. Ignoring ...\n");
return true;
}
bool linear = true;
char filename[PATH_MAX];
char filter[64];
char id[64];
xml_get_prop(filename, sizeof(filename), ptr, "file");
xml_get_prop(filter, sizeof(filter), ptr, "filter");
xml_get_prop(id, sizeof(id), ptr, "id");
struct texture_image img;
if (!*id)
{
RARCH_ERR("Could not find ID in texture.\n");
return false;
}
if (!*filename)
{
RARCH_ERR("Could not find filename in texture.\n");
return false;
}
if (strcmp(filter, "nearest") == 0)
linear = false;
char tex_path[PATH_MAX];
fill_pathname_resolve_relative(tex_path, shader_path, (const char*)filename, sizeof(tex_path));
RARCH_LOG("Loading texture image from: \"%s\" ...\n", tex_path);
if (!texture_image_load(tex_path, &img))
{
RARCH_ERR("Failed to load texture image from: \"%s\"\n", tex_path);
return false;
}
strlcpy(gl_teximage_uniforms[gl_teximage_cnt], (const char*)id, sizeof(gl_teximage_uniforms[0]));
glGenTextures(1, &gl_teximage[gl_teximage_cnt]);
pglActiveTexture(GL_TEXTURE0 + gl_teximage_cnt + 1);
glBindTexture(GL_TEXTURE_2D, gl_teximage[gl_teximage_cnt]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, BORDER_FUNC);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, BORDER_FUNC);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, linear ? GL_LINEAR : GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, linear ? GL_LINEAR : GL_NEAREST);
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glTexImage2D(GL_TEXTURE_2D,
0, driver.gfx_use_rgba ? GL_RGBA : RARCH_GL_INTERNAL_FORMAT32,
img.width, img.height, 0, driver.gfx_use_rgba ? GL_RGBA : RARCH_GL_TEXTURE_TYPE32,
RARCH_GL_FORMAT32, img.pixels);
pglActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 0);
free(img.pixels);
gl_teximage_cnt++;
return true;
}
void gl_glsl_set_params(unsigned width, unsigned height,
unsigned tex_width, unsigned tex_height,
unsigned out_width, unsigned out_height,
unsigned frame_count,
const struct gl_tex_info *info,
const struct gl_tex_info *prev_info,
const struct gl_tex_info *fbo_info, unsigned fbo_info_cnt)
{
// We enforce a certain layout for our various texture types in the texunits.
// - Regular frame (rubyTexture) (always bound).
// - LUT textures (always bound).
// - Original texture (always bound if meaningful).
// - FBO textures (always bound if available).
// - Previous textures.
if (!glsl_enable || (gl_program[active_index] == 0))
return;
const struct shader_uniforms *uni = &gl_uniforms[active_index];
float input_size[2] = {(float)width, (float)height};
float output_size[2] = {(float)out_width, (float)out_height};
float texture_size[2] = {(float)tex_width, (float)tex_height};
if (uni->input_size >= 0)
pglUniform2fv(uni->input_size, 1, input_size);
if (uni->output_size >= 0)
pglUniform2fv(uni->output_size, 1, output_size);
if (uni->texture_size >= 0)
pglUniform2fv(uni->texture_size, 1, texture_size);
if (uni->frame_count >= 0)
pglUniform1i(uni->frame_count, frame_count);
if (uni->frame_direction >= 0)
pglUniform1i(uni->frame_direction, g_extern.frame_is_reverse ? -1 : 1);
for (unsigned i = 0; i < gl_teximage_cnt; i++)
{
if (uni->lut_texture[i] >= 0)
pglUniform1i(uni->lut_texture[i], i + 1);
}
unsigned texunit = gl_teximage_cnt + 1;
// Set original texture unless we're in first pass (pointless).
if (active_index > 1)
{
if (uni->orig.texture >= 0)
{
// Bind original texture.
pglActiveTexture(GL_TEXTURE0 + texunit);
pglUniform1i(uni->orig.texture, texunit);
glBindTexture(GL_TEXTURE_2D, info->tex);
}
texunit++;
if (uni->orig.texture_size >= 0)
pglUniform2fv(uni->orig.texture_size, 1, info->tex_size);
if (uni->orig.input_size >= 0)
pglUniform2fv(uni->orig.input_size, 1, info->input_size);
// Pass texture coordinates.
if (uni->orig.tex_coord >= 0)
{
int loc = uni->orig.tex_coord;
pglEnableVertexAttribArray(loc);
pglVertexAttribPointer(loc, 2, GL_FLOAT, GL_FALSE, 0, info->coord);
gl_attribs[gl_attrib_index++] = loc;
}
// Bind new texture in the chain.
if (fbo_info_cnt > 0)
{
pglActiveTexture(GL_TEXTURE0 + texunit + fbo_info_cnt - 1);
glBindTexture(GL_TEXTURE_2D, fbo_info[fbo_info_cnt - 1].tex);
}
// Bind FBO textures.
for (unsigned i = 0; i < fbo_info_cnt; i++)
{
if (uni->pass[i].texture)
pglUniform1i(uni->pass[i].texture, texunit);
texunit++;
if (uni->pass[i].texture_size >= 0)
pglUniform2fv(uni->pass[i].texture_size, 1, fbo_info[i].tex_size);
if (uni->pass[i].input_size >= 0)
pglUniform2fv(uni->pass[i].input_size, 1, fbo_info[i].input_size);
if (uni->pass[i].tex_coord >= 0)
{
int loc = uni->pass[i].tex_coord;
pglEnableVertexAttribArray(loc);
pglVertexAttribPointer(loc, 2, GL_FLOAT, GL_FALSE, 0, fbo_info[i].coord);
gl_attribs[gl_attrib_index++] = loc;
}
}
}
else
{
// First pass, so unbind everything to avoid collitions.
// Unbind ORIG.
pglActiveTexture(GL_TEXTURE0 + texunit);
glBindTexture(GL_TEXTURE_2D, 0);
GLuint base_tex = texunit + 1;
// Unbind any lurking FBO passes.
// Rendering to a texture that is bound to a texture unit
// sounds very shaky ... ;)
for (unsigned i = 0; i < gl_num_programs; i++)
{
pglActiveTexture(GL_TEXTURE0 + base_tex + i);
glBindTexture(GL_TEXTURE_2D, 0);
}
}
// Set previous textures. Only bind if they're actually used.
for (unsigned i = 0; i < PREV_TEXTURES; i++)
{
if (uni->prev[i].texture >= 0)
{
pglActiveTexture(GL_TEXTURE0 + texunit);
glBindTexture(GL_TEXTURE_2D, prev_info[i].tex);
pglUniform1i(uni->prev[i].texture, texunit++);
}
texunit++;
if (uni->prev[i].texture_size >= 0)
pglUniform2fv(uni->prev[i].texture_size, 1, prev_info[i].tex_size);
if (uni->prev[i].input_size >= 0)
pglUniform2fv(uni->prev[i].input_size, 1, prev_info[i].input_size);
// Pass texture coordinates.
if (uni->prev[i].tex_coord >= 0)
{
int loc = uni->prev[i].tex_coord;
pglEnableVertexAttribArray(loc);
pglVertexAttribPointer(loc, 2, GL_FLOAT, GL_FALSE, 0, prev_info[i].coord);
gl_attribs[gl_attrib_index++] = loc;
}
}
pglActiveTexture(GL_TEXTURE0);
if (gl_state_tracker)
{
static struct state_tracker_uniform info[MAX_VARIABLES];
static unsigned cnt = 0;
if (active_index == 1)
cnt = state_get_uniform(gl_state_tracker, info, MAX_VARIABLES, frame_count);
for (unsigned i = 0; i < cnt; i++)
{
int location = pglGetUniformLocation(gl_program[active_index], info[i].id);
pglUniform1f(location, info[i].value);
}
}
}
static bool get_texture_image(const char *shader_path, xmlNodePtr ptr)
{
if (gl_teximage_cnt >= MAX_TEXTURES)
{
RARCH_WARN("Too many texture images. Ignoring ...\n");
return true;
}
bool linear = true;
xmlChar *filename = xmlGetProp(ptr, (const xmlChar*)"file");
xmlChar *filter = xmlGetProp(ptr, (const xmlChar*)"filter");
xmlChar *id = xmlGetProp(ptr, (const xmlChar*)"id");
char *last = NULL;
struct texture_image img;
if (!id)
{
RARCH_ERR("Could not find ID in texture.\n");
goto error;
}
if (!filename)
{
RARCH_ERR("Could not find filename in texture.\n");
goto error;
}
if (filter && strcmp((const char*)filter, "nearest") == 0)
linear = false;
char tex_path[PATH_MAX];
strlcpy(tex_path, shader_path, sizeof(tex_path));
last = strrchr(tex_path, '/');
if (!last) last = strrchr(tex_path, '\\');
if (last) last[1] = '\0';
strlcat(tex_path, (const char*)filename, sizeof(tex_path));
RARCH_LOG("Loading texture image from: \"%s\" ...\n", tex_path);
if (!texture_image_load(tex_path, &img))
{
RARCH_ERR("Failed to load texture image from: \"%s\"\n", tex_path);
goto error;
}
strlcpy(gl_teximage_uniforms[gl_teximage_cnt], (const char*)id, sizeof(gl_teximage_uniforms[0]));
glGenTextures(1, &gl_teximage[gl_teximage_cnt]);
pglActiveTexture(GL_TEXTURE0 + gl_teximage_cnt + 1);
glBindTexture(GL_TEXTURE_2D, gl_teximage[gl_teximage_cnt]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, BORDER_FUNC);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, BORDER_FUNC);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, linear ? GL_LINEAR : GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, linear ? GL_LINEAR : GL_NEAREST);
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glTexImage2D(GL_TEXTURE_2D,
0, RARCH_GL_INTERNAL_FORMAT32,
img.width, img.height, 0, RARCH_GL_TEXTURE_TYPE32, RARCH_GL_FORMAT32, img.pixels);
pglActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 0);
free(img.pixels);
xmlFree(filename);
xmlFree(id);
if (filter)
xmlFree(filter);
gl_teximage_cnt++;
return true;
error:
if (filename)
xmlFree(filename);
if (filter)
xmlFree(filter);
if (filter)
xmlFree(id);
return false;
}
void gl_glsl_set_params(unsigned width, unsigned height,
unsigned tex_width, unsigned tex_height,
unsigned out_width, unsigned out_height,
unsigned frame_count,
const struct gl_tex_info *info,
const struct gl_tex_info *prev_info,
const struct gl_tex_info *fbo_info, unsigned fbo_info_cnt)
{
// We enforce a certain layout for our various texture types in the texunits.
// - Regular SNES frame (rubyTexture) (always bound).
// - LUT textures (always bound).
// - Original texture (always bound if meaningful).
// - FBO textures (always bound if available).
// - Previous textures.
if (!glsl_enable || (gl_program[active_index] == 0))
return;
GLint location;
float inputSize[2] = {(float)width, (float)height};
location = pglGetUniformLocation(gl_program[active_index], "rubyInputSize");
pglUniform2fv(location, 1, inputSize);
float outputSize[2] = {(float)out_width, (float)out_height};
location = pglGetUniformLocation(gl_program[active_index], "rubyOutputSize");
pglUniform2fv(location, 1, outputSize);
float textureSize[2] = {(float)tex_width, (float)tex_height};
location = pglGetUniformLocation(gl_program[active_index], "rubyTextureSize");
pglUniform2fv(location, 1, textureSize);
location = pglGetUniformLocation(gl_program[active_index], "rubyFrameCount");
pglUniform1i(location, frame_count);
location = pglGetUniformLocation(gl_program[active_index], "rubyFrameDirection");
pglUniform1i(location, g_extern.frame_is_reverse ? -1 : 1);
for (unsigned i = 0; i < gl_teximage_cnt; i++)
{
location = pglGetUniformLocation(gl_program[active_index], gl_teximage_uniforms[i]);
pglUniform1i(location, i + 1);
}
unsigned texunit = gl_teximage_cnt + 1;
// Set original texture unless we're in first pass (pointless).
if (active_index > 1)
{
// Bind original texture.
pglActiveTexture(GL_TEXTURE0 + texunit);
location = pglGetUniformLocation(gl_program[active_index], "rubyOrigTexture");
pglUniform1i(location, texunit++);
glBindTexture(GL_TEXTURE_2D, info->tex);
location = pglGetUniformLocation(gl_program[active_index], "rubyOrigTextureSize");
pglUniform2fv(location, 1, info->tex_size);
location = pglGetUniformLocation(gl_program[active_index], "rubyOrigInputSize");
pglUniform2fv(location, 1, info->input_size);
// Pass texture coordinates.
location = pglGetAttribLocation(gl_program[active_index], "rubyOrigTexCoord");
if (location >= 0)
{
pglEnableVertexAttribArray(location);
pglVertexAttribPointer(location, 2, GL_FLOAT, GL_FALSE, 0, info->coord);
gl_attribs[gl_attrib_index++] = location;
}
// Bind new texture in the chain.
if (fbo_info_cnt > 0)
{
pglActiveTexture(GL_TEXTURE0 + texunit + fbo_info_cnt - 1);
glBindTexture(GL_TEXTURE_2D, fbo_info[fbo_info_cnt - 1].tex);
}
// Bind FBO textures.
for (unsigned i = 0; i < fbo_info_cnt; i++)
{
char attrib_buf[64];
snprintf(attrib_buf, sizeof(attrib_buf), "rubyPass%uTexture", i + 1);
location = pglGetUniformLocation(gl_program[active_index], attrib_buf);
pglUniform1i(location, texunit++);
snprintf(attrib_buf, sizeof(attrib_buf), "rubyPass%uTextureSize", i + 1);
location = pglGetUniformLocation(gl_program[active_index], attrib_buf);
pglUniform2fv(location, 1, fbo_info[i].tex_size);
snprintf(attrib_buf, sizeof(attrib_buf), "rubyPass%uInputSize", i + 1);
location = pglGetUniformLocation(gl_program[active_index], attrib_buf);
pglUniform2fv(location, 1, fbo_info[i].input_size);
snprintf(attrib_buf, sizeof(attrib_buf), "rubyPass%uTexCoord", i + 1);
location = pglGetAttribLocation(gl_program[active_index], attrib_buf);
if (location >= 0)
{
pglEnableVertexAttribArray(location);
pglVertexAttribPointer(location, 2, GL_FLOAT, GL_FALSE, 0, fbo_info[i].coord);
gl_attribs[gl_attrib_index++] = location;
}
}
}
else
{
// First pass, so unbind everything to avoid collitions.
// Unbind ORIG.
pglActiveTexture(GL_TEXTURE0 + texunit);
glBindTexture(GL_TEXTURE_2D, 0);
GLuint base_tex = texunit + 1;
// Unbind any lurking FBO passes.
// Rendering to a texture that is bound to a texture unit
// sounds very shaky ... ;)
for (unsigned i = 0; i < gl_num_programs; i++)
{
pglActiveTexture(GL_TEXTURE0 + base_tex + i);
glBindTexture(GL_TEXTURE_2D, 0);
}
}
// Set previous textures. Only bind if they're actually used.
for (unsigned i = 0; i < PREV_TEXTURES; i++)
{
char attr_buf_tex[64];
char attr_buf_tex_size[64];
char attr_buf_input_size[64];
char attr_buf_coord[64];
static const char *prev_names[PREV_TEXTURES] = {
"Prev",
"Prev1",
"Prev2",
"Prev3",
"Prev4",
"Prev5",
"Prev6",
};
snprintf(attr_buf_tex, sizeof(attr_buf_tex), "ruby%sTexture", prev_names[i]);
snprintf(attr_buf_tex_size, sizeof(attr_buf_tex_size), "ruby%sTextureSize", prev_names[i]);
snprintf(attr_buf_input_size, sizeof(attr_buf_input_size), "ruby%sInputSize", prev_names[i]);
snprintf(attr_buf_coord, sizeof(attr_buf_coord), "ruby%sTexCoord", prev_names[i]);
location = pglGetUniformLocation(gl_program[active_index], attr_buf_tex);
if (location >= 0)
{
pglActiveTexture(GL_TEXTURE0 + texunit);
glBindTexture(GL_TEXTURE_2D, prev_info[i].tex);
pglUniform1i(location, texunit++);
}
location = pglGetUniformLocation(gl_program[active_index], attr_buf_tex_size);
pglUniform2fv(location, 1, prev_info[i].tex_size);
location = pglGetUniformLocation(gl_program[active_index], attr_buf_input_size);
pglUniform2fv(location, 1, prev_info[i].input_size);
// Pass texture coordinates.
location = pglGetAttribLocation(gl_program[active_index], attr_buf_coord);
if (location >= 0)
{
pglEnableVertexAttribArray(location);
pglVertexAttribPointer(location, 2, GL_FLOAT, GL_FALSE, 0, prev_info[i].coord);
gl_attribs[gl_attrib_index++] = location;
}
}
pglActiveTexture(GL_TEXTURE0);
if (gl_state_tracker)
{
static struct state_tracker_uniform info[MAX_VARIABLES];
static unsigned cnt = 0;
if (active_index == 1)
cnt = state_get_uniform(gl_state_tracker, info, MAX_VARIABLES, frame_count);
for (unsigned i = 0; i < cnt; i++)
{
location = pglGetUniformLocation(gl_program[active_index], info[i].id);
pglUniform1f(location, info[i].value);
}
}
}
void COGLExtRender::ApplyTextureFilter()
{
static uint32 minflag[8], magflag[8];
static uint32 mtex[8];
int iMinFilter, iMagFilter;
for( int i=0; i<m_maxTexUnits; i++ )
{
//Compute iMinFilter and iMagFilter
if(m_dwMinFilter == FILTER_LINEAR) //Texture will use filtering
{
iMagFilter = GL_LINEAR;
//Texture filtering method user want
switch(options.mipmapping)
{
case TEXTURE_BILINEAR_FILTER:
iMinFilter = GL_LINEAR_MIPMAP_NEAREST;
break;
case TEXTURE_TRILINEAR_FILTER:
iMinFilter = GL_LINEAR_MIPMAP_LINEAR;
break;
case TEXTURE_NO_FILTER:
iMinFilter = GL_NEAREST_MIPMAP_NEAREST;
break;
case TEXTURE_NO_MIPMAP:
default:
//Bilinear without mipmap
iMinFilter = GL_LINEAR;
}
}
else //dont use filtering, all is nearest
{
iMagFilter = GL_NEAREST;
if(options.mipmapping)
{
iMinFilter = GL_NEAREST_MIPMAP_NEAREST;
}
else
{
iMinFilter = GL_NEAREST;
}
}
if( m_texUnitEnabled[i] )
{
if( mtex[i] != m_curBoundTex[i] )
{
mtex[i] = m_curBoundTex[i];
pglActiveTexture(GL_TEXTURE0_ARB+i);
OPENGL_CHECK_ERRORS;
minflag[i] = m_dwMinFilter;
magflag[i] = m_dwMagFilter;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, iMinFilter);
OPENGL_CHECK_ERRORS;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, iMagFilter);
OPENGL_CHECK_ERRORS;
}
else
{
if( minflag[i] != (unsigned int)m_dwMinFilter )
{
minflag[i] = m_dwMinFilter;
pglActiveTexture(GL_TEXTURE0_ARB+i);
OPENGL_CHECK_ERRORS;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, iMinFilter);
OPENGL_CHECK_ERRORS;
}
if( magflag[i] != (unsigned int)m_dwMagFilter )
{
magflag[i] = m_dwMagFilter;
pglActiveTexture(GL_TEXTURE0_ARB+i);
OPENGL_CHECK_ERRORS;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, iMagFilter);
OPENGL_CHECK_ERRORS;
}
}
}
}
}
static void gl_glsl_set_params(unsigned width, unsigned height,
unsigned tex_width, unsigned tex_height,
unsigned out_width, unsigned out_height,
unsigned frame_count,
const struct gl_tex_info *info,
const struct gl_tex_info *prev_info,
const struct gl_tex_info *fbo_info, unsigned fbo_info_cnt)
{
// We enforce a certain layout for our various texture types in the texunits.
// - Regular frame (Texture) (always bound).
// - LUT textures (always bound).
// - Original texture (always bound if meaningful).
// - FBO textures (always bound if available).
// - Previous textures.
if (!glsl_enable || (gl_program[active_index] == 0))
return;
GLfloat buffer[128];
size_t size = 0;
struct glsl_attrib attribs[32];
size_t attribs_size = 0;
struct glsl_attrib *attr = attribs;
const struct shader_uniforms *uni = &gl_uniforms[active_index];
float input_size[2] = {(float)width, (float)height};
float output_size[2] = {(float)out_width, (float)out_height};
float texture_size[2] = {(float)tex_width, (float)tex_height};
if (uni->input_size >= 0)
pglUniform2fv(uni->input_size, 1, input_size);
if (uni->output_size >= 0)
pglUniform2fv(uni->output_size, 1, output_size);
if (uni->texture_size >= 0)
pglUniform2fv(uni->texture_size, 1, texture_size);
if (uni->frame_count >= 0 && active_index)
{
unsigned modulo = glsl_shader->pass[active_index - 1].frame_count_mod;
if (modulo)
frame_count %= modulo;
pglUniform1i(uni->frame_count, frame_count);
}
if (uni->frame_direction >= 0)
pglUniform1i(uni->frame_direction, g_extern.frame_is_reverse ? -1 : 1);
for (unsigned i = 0; i < glsl_shader->luts; i++)
{
if (uni->lut_texture[i] >= 0)
{
// Have to rebind as HW render could override this.
pglActiveTexture(GL_TEXTURE0 + i + 1);
glBindTexture(GL_TEXTURE_2D, gl_teximage[i]);
pglUniform1i(uni->lut_texture[i], i + 1);
}
}
unsigned texunit = glsl_shader->luts + 1;
// Set original texture unless we're in first pass (pointless).
if (active_index > 1)
{
if (uni->orig.texture >= 0)
{
// Bind original texture.
pglActiveTexture(GL_TEXTURE0 + texunit);
pglUniform1i(uni->orig.texture, texunit);
glBindTexture(GL_TEXTURE_2D, info->tex);
}
texunit++;
if (uni->orig.texture_size >= 0)
pglUniform2fv(uni->orig.texture_size, 1, info->tex_size);
if (uni->orig.input_size >= 0)
pglUniform2fv(uni->orig.input_size, 1, info->input_size);
// Pass texture coordinates.
if (uni->orig.tex_coord >= 0)
{
attr->loc = uni->orig.tex_coord;
attr->size = 2;
attr->offset = size * sizeof(GLfloat);
attribs_size++;
attr++;
memcpy(buffer + size, info->coord, 8 * sizeof(GLfloat));
size += 8;
}
// Bind new texture in the chain.
if (fbo_info_cnt > 0)
{
pglActiveTexture(GL_TEXTURE0 + texunit + fbo_info_cnt - 1);
glBindTexture(GL_TEXTURE_2D, fbo_info[fbo_info_cnt - 1].tex);
}
// Bind FBO textures.
for (unsigned i = 0; i < fbo_info_cnt; i++)
{
if (uni->pass[i].texture)
pglUniform1i(uni->pass[i].texture, texunit);
texunit++;
if (uni->pass[i].texture_size >= 0)
pglUniform2fv(uni->pass[i].texture_size, 1, fbo_info[i].tex_size);
if (uni->pass[i].input_size >= 0)
pglUniform2fv(uni->pass[i].input_size, 1, fbo_info[i].input_size);
if (uni->pass[i].tex_coord >= 0)
{
attr->loc = uni->pass[i].tex_coord;
attr->size = 2;
attr->offset = size * sizeof(GLfloat);
attribs_size++;
attr++;
memcpy(buffer + size, fbo_info[i].coord, 8 * sizeof(GLfloat));
size += 8;
}
}
}
else
{
// First pass, so unbind everything to avoid collitions.
// Unbind ORIG.
pglActiveTexture(GL_TEXTURE0 + texunit);
glBindTexture(GL_TEXTURE_2D, 0);
GLuint base_tex = texunit + 1;
// Unbind any lurking FBO passes.
// Rendering to a texture that is bound to a texture unit
// sounds very shaky ... ;)
for (unsigned i = 0; i < glsl_shader->passes; i++)
{
pglActiveTexture(GL_TEXTURE0 + base_tex + i);
glBindTexture(GL_TEXTURE_2D, 0);
}
}
// Set previous textures. Only bind if they're actually used.
for (unsigned i = 0; i < PREV_TEXTURES; i++)
{
if (uni->prev[i].texture >= 0)
{
pglActiveTexture(GL_TEXTURE0 + texunit);
glBindTexture(GL_TEXTURE_2D, prev_info[i].tex);
pglUniform1i(uni->prev[i].texture, texunit++);
}
texunit++;
if (uni->prev[i].texture_size >= 0)
pglUniform2fv(uni->prev[i].texture_size, 1, prev_info[i].tex_size);
if (uni->prev[i].input_size >= 0)
pglUniform2fv(uni->prev[i].input_size, 1, prev_info[i].input_size);
// Pass texture coordinates.
if (uni->prev[i].tex_coord >= 0)
{
attr->loc = uni->prev[i].tex_coord;
attr->size = 2;
attr->offset = size * sizeof(GLfloat);
attribs_size++;
attr++;
memcpy(buffer + size, prev_info[i].coord, 8 * sizeof(GLfloat));
size += 8;
}
}
if (size)
{
gl_glsl_set_attribs(glsl_vbo[active_index].vbo_secondary,
glsl_vbo[active_index].buffer_secondary,
&glsl_vbo[active_index].size_secondary,
buffer, size, attribs, attribs_size);
}
pglActiveTexture(GL_TEXTURE0);
if (gl_state_tracker)
{
static struct state_tracker_uniform info[GFX_MAX_VARIABLES];
static unsigned cnt = 0;
if (active_index == 1)
cnt = state_get_uniform(gl_state_tracker, info, GFX_MAX_VARIABLES, frame_count);
for (unsigned i = 0; i < cnt; i++)
{
int location = pglGetUniformLocation(gl_program[active_index], info[i].id);
pglUniform1f(location, info[i].value);
}
}
}
