diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_basic_shader.c')
| -rw-r--r-- | source/blender/gpu/intern/gpu_basic_shader.c | 67 |
1 files changed, 60 insertions, 7 deletions
diff --git a/source/blender/gpu/intern/gpu_basic_shader.c b/source/blender/gpu/intern/gpu_basic_shader.c index b6fe40a13ee..b0669225a4d 100644 --- a/source/blender/gpu/intern/gpu_basic_shader.c +++ b/source/blender/gpu/intern/gpu_basic_shader.c @@ -51,8 +51,6 @@ /* State */ -static const bool USE_GLSL = false; - static struct { GPUShader *cached_shaders[GPU_SHADER_OPTION_COMBINATIONS]; bool failed_shaders[GPU_SHADER_OPTION_COMBINATIONS]; @@ -269,6 +267,24 @@ const GLubyte stipple_hexagon[128] = { 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22}; /* ********************************************* */ +/* GLSL State */ + +static bool USE_GLSL = false; + +/** + * \note this isn't part of the basic shader API, + * only set from the command line once on startup. + */ +void GPU_basic_shader_use_glsl_set(bool enabled) +{ + USE_GLSL = enabled; +} + +bool GPU_basic_shader_use_glsl_get(void) +{ + return USE_GLSL; +} + /* Init / exit */ void GPU_basic_shaders_init(void) @@ -308,6 +324,9 @@ static int detect_options() if (glIsEnabled(GL_TEXTURE_2D)) options |= GPU_SHADER_TEXTURE_2D; + if (glIsEnabled(GL_TEXTURE_RECTANGLE)) + options |= GPU_SHADER_TEXTURE_RECT; + GPU_SHADER_TEXTURE_RECT if (glIsEnabled(GL_COLOR_MATERIAL)) options |= GPU_SHADER_USE_COLOR; @@ -347,8 +366,10 @@ static GPUShader *gpu_basic_shader(int options) strcat(defines, "#define USE_COLOR\n"); if (options & GPU_SHADER_TWO_SIDED) strcat(defines, "#define USE_TWO_SIDED\n"); - if (options & GPU_SHADER_TEXTURE_2D) + if (options & (GPU_SHADER_TEXTURE_2D | GPU_SHADER_TEXTURE_RECT)) strcat(defines, "#define USE_TEXTURE\n"); + if (options & GPU_SHADER_TEXTURE_RECT) + strcat(defines, "#define USE_TEXTURE_RECTANGLE\n"); if (options & GPU_SHADER_STIPPLE) strcat(defines, "#define USE_STIPPLE\n"); if (options & GPU_SHADER_LINE) { @@ -369,7 +390,7 @@ static GPUShader *gpu_basic_shader(int options) if (shader) { /* set texture map to first texture unit */ - if (options & GPU_SHADER_TEXTURE_2D) { + if (options & (GPU_SHADER_TEXTURE_2D | GPU_SHADER_TEXTURE_RECT)) { GPU_shader_bind(shader); glUniform1i(GPU_shader_get_uniform(shader, "texture_map"), 0); GPU_shader_unbind(); @@ -399,6 +420,23 @@ void GPU_basic_shader_bind(int options) { if (USE_GLSL) { if (options) { + const int bound_options = GPU_MATERIAL_STATE.bound_options; + + /* texture options need to be set for basic shader too */ + if (options & GPU_SHADER_TEXTURE_2D) { + glEnable(GL_TEXTURE_2D); + } + else if (bound_options & GPU_SHADER_TEXTURE_2D) { + glDisable(GL_TEXTURE_2D); + } + + if (options & GPU_SHADER_TEXTURE_RECT) { + glEnable(GL_TEXTURE_RECTANGLE); + } + else if (bound_options & GPU_SHADER_TEXTURE_RECT) { + glDisable(GL_TEXTURE_RECTANGLE); + } + GPUShader *shader = gpu_basic_shader(options); if (shader) { @@ -411,7 +449,7 @@ void GPU_basic_shader_bind(int options) } } else { - int bound_options = GPU_MATERIAL_STATE.bound_options; + const int bound_options = GPU_MATERIAL_STATE.bound_options; if (options & GPU_SHADER_LIGHTING) { glEnable(GL_LIGHTING); @@ -438,10 +476,24 @@ void GPU_basic_shader_bind(int options) glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, env_mode); } else if (bound_options & GPU_SHADER_TEXTURE_2D) { - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + if ((options & GPU_SHADER_TEXTURE_RECT) == 0) { + glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + } glDisable(GL_TEXTURE_2D); } + if (options & GPU_SHADER_TEXTURE_RECT) { + GLint env_mode = (options & (GPU_SHADER_USE_COLOR | GPU_SHADER_LIGHTING)) ? GL_MODULATE : GL_REPLACE; + glEnable(GL_TEXTURE_RECTANGLE); + glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, env_mode); + } + else if (bound_options & GPU_SHADER_TEXTURE_RECT) { + if ((options & GPU_SHADER_TEXTURE_2D) == 0) { + glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + } + glDisable(GL_TEXTURE_RECTANGLE); + } + if ((options & GPU_SHADER_LINE) && (options & GPU_SHADER_STIPPLE)) { glEnable(GL_LINE_STIPPLE); } @@ -552,7 +604,8 @@ void GPU_basic_shader_light_set(int light_num, GPULightData *light) GPU_MATERIAL_STATE.lights_directional |= light_bit; } else { - if (USE_GLSL) { + /* TODO(sergey): Needs revisit. */ + if (USE_GLSL || true) { /* glsl shader needs these zero to skip them */ const float zero[4] = {0.0f, 0.0f, 0.0f, 0.0f}; |