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Differential D2603 Diff 8554 source/blender/gpu/intern/gpu_basic_shader.c

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source/blender/gpu/intern/gpu_basic_shader.c

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* - Optimize for case where no texture matrix is used. * - Optimize for case where no texture matrix is used.
*/ */
#include "BLI_math.h" #include "BLI_math.h"
#include "BLI_utildefines.h" #include "BLI_utildefines.h"
#include "GPU_basic_shader.h" #include "GPU_basic_shader.h"
#include "GPU_glew.h" #include "GPU_glew.h"
#include "GPU_legacy_stubs.h"
#include "GPU_shader.h" #include "GPU_shader.h"
/* State */ /* State */
static struct { static struct {
GPUShader *cached_shaders[GPU_SHADER_OPTION_COMBINATIONS]; GPUShader *cached_shaders[GPU_SHADER_OPTION_COMBINATIONS];
bool failed_shaders[GPU_SHADER_OPTION_COMBINATIONS]; bool failed_shaders[GPU_SHADER_OPTION_COMBINATIONS];
▲ Show 20 Lines • Show All 283 Lines • ▼ Show 20 Linesvoid GPU_basic_shader_colors(
gl_diffuse[3] = alpha; gl_diffuse[3] = alpha;
if (specular) if (specular)
copy_v3_v3(gl_specular, specular); copy_v3_v3(gl_specular, specular);
else else
zero_v3(gl_specular); zero_v3(gl_specular);
gl_specular[3] = 1.0f; gl_specular[3] = 1.0f;
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, gl_diffuse); oldMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, gl_diffuse);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, gl_specular); oldMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, gl_specular);
glMateriali(GL_FRONT_AND_BACK, GL_SHININESS, CLAMPIS(shininess, 1, 128)); oldMateriali(GL_FRONT_AND_BACK, GL_SHININESS, CLAMPIS(shininess, 1, 128));
} }
void GPU_basic_shader_light_set(int light_num, GPULightData *light) void GPU_basic_shader_light_set(int light_num, GPULightData *light)
{ {
int light_bit = (1 << light_num); int light_bit = (1 << light_num);
/* note that light position is affected by the current modelview matrix! */ /* note that light position is affected by the current modelview matrix! */
Show All 9 Lines if (light) {
if (light->type == GPU_LIGHT_SUN) { if (light->type == GPU_LIGHT_SUN) {
copy_v3_v3(position, light->direction); copy_v3_v3(position, light->direction);
position[3] = 0.0f; position[3] = 0.0f;
} }
else { else {
copy_v3_v3(position, light->position); copy_v3_v3(position, light->position);
position[3] = 1.0f; position[3] = 1.0f;
} }
glLightfv(GL_LIGHT0 + light_num, GL_POSITION, position); oldLightfv(GL_LIGHT0 + light_num, GL_POSITION, position);
/* energy */ /* energy */
copy_v3_v3(diffuse, light->diffuse); copy_v3_v3(diffuse, light->diffuse);
copy_v3_v3(specular, light->specular); copy_v3_v3(specular, light->specular);
diffuse[3] = 1.0f; diffuse[3] = 1.0f;
specular[3] = 1.0f; specular[3] = 1.0f;
glLightfv(GL_LIGHT0 + light_num, GL_DIFFUSE, diffuse); oldLightfv(GL_LIGHT0 + light_num, GL_DIFFUSE, diffuse);
glLightfv(GL_LIGHT0 + light_num, GL_SPECULAR, specular); oldLightfv(GL_LIGHT0 + light_num, GL_SPECULAR, specular);
/* attenuation */ /* attenuation */
if (light->type == GPU_LIGHT_SUN) { if (light->type == GPU_LIGHT_SUN) {
glLightf(GL_LIGHT0 + light_num, GL_CONSTANT_ATTENUATION, 1.0f); oldLightf(GL_LIGHT0 + light_num, GL_CONSTANT_ATTENUATION, 1.0f);
glLightf(GL_LIGHT0 + light_num, GL_LINEAR_ATTENUATION, 0.0f); oldLightf(GL_LIGHT0 + light_num, GL_LINEAR_ATTENUATION, 0.0f);
glLightf(GL_LIGHT0 + light_num, GL_QUADRATIC_ATTENUATION, 0.0f); oldLightf(GL_LIGHT0 + light_num, GL_QUADRATIC_ATTENUATION, 0.0f);
} }
else { else {
glLightf(GL_LIGHT0 + light_num, GL_CONSTANT_ATTENUATION, light->constant_attenuation); oldLightf(GL_LIGHT0 + light_num, GL_CONSTANT_ATTENUATION, light->constant_attenuation);
glLightf(GL_LIGHT0 + light_num, GL_LINEAR_ATTENUATION, light->linear_attenuation); oldLightf(GL_LIGHT0 + light_num, GL_LINEAR_ATTENUATION, light->linear_attenuation);
glLightf(GL_LIGHT0 + light_num, GL_QUADRATIC_ATTENUATION, light->quadratic_attenuation); oldLightf(GL_LIGHT0 + light_num, GL_QUADRATIC_ATTENUATION, light->quadratic_attenuation);
} }
/* spot */ /* spot */
glLightfv(GL_LIGHT0 + light_num, GL_SPOT_DIRECTION, light->direction); oldLightfv(GL_LIGHT0 + light_num, GL_SPOT_DIRECTION, light->direction);
if (light->type == GPU_LIGHT_SPOT) { if (light->type == GPU_LIGHT_SPOT) {
glLightf(GL_LIGHT0 + light_num, GL_SPOT_CUTOFF, light->spot_cutoff); oldLightf(GL_LIGHT0 + light_num, GL_SPOT_CUTOFF, light->spot_cutoff);
glLightf(GL_LIGHT0 + light_num, GL_SPOT_EXPONENT, light->spot_exponent); oldLightf(GL_LIGHT0 + light_num, GL_SPOT_EXPONENT, light->spot_exponent);
} }
else { else {
glLightf(GL_LIGHT0 + light_num, GL_SPOT_CUTOFF, 180.0f); oldLightf(GL_LIGHT0 + light_num, GL_SPOT_CUTOFF, 180.0f);
glLightf(GL_LIGHT0 + light_num, GL_SPOT_EXPONENT, 0.0f); oldLightf(GL_LIGHT0 + light_num, GL_SPOT_EXPONENT, 0.0f);
} }
GPU_MATERIAL_STATE.lights_enabled |= light_bit; GPU_MATERIAL_STATE.lights_enabled |= light_bit;
if (position[3] == 0.0f) if (position[3] == 0.0f)
GPU_MATERIAL_STATE.lights_directional |= light_bit; GPU_MATERIAL_STATE.lights_directional |= light_bit;
} }
else { else {
/* TODO(sergey): Needs revisit. */ /* TODO(sergey): Needs revisit. */
/* glsl shader needs these zero to skip them */ /* glsl shader needs these zero to skip them */
const float zero[4] = {0.0f, 0.0f, 0.0f, 0.0f}; const float zero[4] = {0.0f, 0.0f, 0.0f, 0.0f};
glLightfv(GL_LIGHT0 + light_num, GL_POSITION, zero); oldLightfv(GL_LIGHT0 + light_num, GL_POSITION, zero);
glLightfv(GL_LIGHT0 + light_num, GL_DIFFUSE, zero); oldLightfv(GL_LIGHT0 + light_num, GL_DIFFUSE, zero);
glLightfv(GL_LIGHT0 + light_num, GL_SPECULAR, zero); oldLightfv(GL_LIGHT0 + light_num, GL_SPECULAR, zero);
glDisable(GL_LIGHT0 + light_num); glDisable(GL_LIGHT0 + light_num);
} }
} }
void GPU_basic_shader_light_set_viewer(bool local) void GPU_basic_shader_light_set_viewer(bool local)
{ {
glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, (local) ? GL_TRUE: GL_FALSE); glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, (local) ? GL_TRUE: GL_FALSE);
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