diff options
Diffstat (limited to 'drivers/gles3/shader_gles3.cpp')
| -rw-r--r-- | drivers/gles3/shader_gles3.cpp | 55 |
1 files changed, 44 insertions, 11 deletions
diff --git a/drivers/gles3/shader_gles3.cpp b/drivers/gles3/shader_gles3.cpp index 033f10dbc5..1dcd17ea0e 100644 --- a/drivers/gles3/shader_gles3.cpp +++ b/drivers/gles3/shader_gles3.cpp @@ -92,7 +92,7 @@ void ShaderGLES3::_add_stage(const char *p_code, StageType p_stage_type) { } } -void ShaderGLES3::_setup(const char *p_vertex_code, const char *p_fragment_code, const char *p_name, int p_uniform_count, const char **p_uniform_names, int p_ubo_count, const UBOPair *p_ubos, int p_texture_count, const TexUnitPair *p_tex_units, int p_specialization_count, const Specialization *p_specializations, int p_variant_count, const char **p_variants) { +void ShaderGLES3::_setup(const char *p_vertex_code, const char *p_fragment_code, const char *p_name, int p_uniform_count, const char **p_uniform_names, int p_ubo_count, const UBOPair *p_ubos, int p_feedback_count, const Feedback *p_feedback, int p_texture_count, const TexUnitPair *p_tex_units, int p_specialization_count, const Specialization *p_specializations, int p_variant_count, const char **p_variants) { name = p_name; if (p_vertex_code) { @@ -118,6 +118,8 @@ void ShaderGLES3::_setup(const char *p_vertex_code, const char *p_fragment_code, } variant_defines = p_variants; variant_count = p_variant_count; + feedbacks = p_feedback; + feedback_count = p_feedback_count; StringBuilder tohash; /* @@ -142,7 +144,7 @@ RID ShaderGLES3::version_create() { return version_owner.make_rid(version); } -void ShaderGLES3::_build_variant_code(StringBuilder &builder, uint32_t p_variant, const Version *p_version, const StageTemplate &p_template, uint64_t p_specialization) { +void ShaderGLES3::_build_variant_code(StringBuilder &builder, uint32_t p_variant, const Version *p_version, StageType p_stage_type, uint64_t p_specialization) { #ifdef GLES_OVER_GL builder.append("#version 330\n"); builder.append("#define USE_GLES_OVER_GL\n"); @@ -171,6 +173,24 @@ void ShaderGLES3::_build_variant_code(StringBuilder &builder, uint32_t p_variant } builder.append("\n"); //make sure defines begin at newline + // Insert multiview extension loading, because it needs to appear before + // any non-preprocessor code (like the "precision highp..." lines below). + builder.append("#ifdef USE_MULTIVIEW\n"); + builder.append("#if defined(GL_OVR_multiview2)\n"); + builder.append("#extension GL_OVR_multiview2 : require\n"); + builder.append("#elif defined(GL_OVR_multiview)\n"); + builder.append("#extension GL_OVR_multiview : require\n"); + builder.append("#endif\n"); + if (p_stage_type == StageType::STAGE_TYPE_VERTEX) { + builder.append("layout(num_views=2) in;\n"); + } + builder.append("#define ViewIndex gl_ViewID_OVR\n"); + builder.append("#define MAX_VIEWS 2\n"); + builder.append("#else\n"); + builder.append("#define ViewIndex 0\n"); + builder.append("#define MAX_VIEWS 1\n"); + builder.append("#endif\n"); + // Default to highp precision unless specified otherwise. builder.append("precision highp float;\n"); builder.append("precision highp int;\n"); @@ -180,8 +200,9 @@ void ShaderGLES3::_build_variant_code(StringBuilder &builder, uint32_t p_variant builder.append("precision highp sampler2DArray;\n"); #endif - for (uint32_t i = 0; i < p_template.chunks.size(); i++) { - const StageTemplate::Chunk &chunk = p_template.chunks[i]; + const StageTemplate &stage_template = stage_templates[p_stage_type]; + for (uint32_t i = 0; i < stage_template.chunks.size(); i++) { + const StageTemplate::Chunk &chunk = stage_template.chunks[i]; switch (chunk.type) { case StageTemplate::Chunk::TYPE_MATERIAL_UNIFORMS: { builder.append(p_version->uniforms.get_data()); //uniforms (same for vertex and fragment) @@ -224,7 +245,7 @@ void ShaderGLES3::_compile_specialization(Version::Specialization &spec, uint32_ //vertex stage { StringBuilder builder; - _build_variant_code(builder, p_variant, p_version, stage_templates[STAGE_TYPE_VERTEX], p_specialization); + _build_variant_code(builder, p_variant, p_version, STAGE_TYPE_VERTEX, p_specialization); spec.vert_id = glCreateShader(GL_VERTEX_SHADER); String builder_string = builder.as_string(); @@ -272,7 +293,7 @@ void ShaderGLES3::_compile_specialization(Version::Specialization &spec, uint32_ //fragment stage { StringBuilder builder; - _build_variant_code(builder, p_variant, p_version, stage_templates[STAGE_TYPE_FRAGMENT], p_specialization); + _build_variant_code(builder, p_variant, p_version, STAGE_TYPE_FRAGMENT, p_specialization); spec.frag_id = glCreateShader(GL_FRAGMENT_SHADER); String builder_string = builder.as_string(); @@ -320,9 +341,21 @@ void ShaderGLES3::_compile_specialization(Version::Specialization &spec, uint32_ glAttachShader(spec.id, spec.frag_id); glAttachShader(spec.id, spec.vert_id); - //for (int i = 0; i < attribute_pair_count; i++) { - // glBindAttribLocation(v.id, attribute_pairs[i].index, attribute_pairs[i].name); - //} + // If feedback exists, set it up. + + if (feedback_count) { + Vector<const char *> feedback; + for (int i = 0; i < feedback_count; i++) { + if (feedbacks[i].specialization == 0 || (feedbacks[i].specialization & p_specialization)) { + // Specialization for this feedback is enabled + feedback.push_back(feedbacks[i].name); + } + } + + if (feedback.size()) { + glTransformFeedbackVaryings(spec.id, feedback.size(), feedback.ptr(), GL_INTERLEAVED_ATTRIBS); + } + } glLinkProgram(spec.id); @@ -413,7 +446,7 @@ RS::ShaderNativeSourceCode ShaderGLES3::version_get_native_source_code(RID p_ver { StringBuilder builder; - _build_variant_code(builder, i, version, stage_templates[STAGE_TYPE_VERTEX], specialization_default_mask); + _build_variant_code(builder, i, version, STAGE_TYPE_VERTEX, specialization_default_mask); RS::ShaderNativeSourceCode::Version::Stage stage; stage.name = "vertex"; @@ -425,7 +458,7 @@ RS::ShaderNativeSourceCode ShaderGLES3::version_get_native_source_code(RID p_ver //fragment stage { StringBuilder builder; - _build_variant_code(builder, i, version, stage_templates[STAGE_TYPE_FRAGMENT], specialization_default_mask); + _build_variant_code(builder, i, version, STAGE_TYPE_FRAGMENT, specialization_default_mask); RS::ShaderNativeSourceCode::Version::Stage stage; stage.name = "fragment"; |