diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/common/meta.c')
| -rw-r--r-- | mesalib/src/mesa/drivers/common/meta.c | 53 |
1 files changed, 16 insertions, 37 deletions
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c index 1a2e45320..f313f5645 100644 --- a/mesalib/src/mesa/drivers/common/meta.c +++ b/mesalib/src/mesa/drivers/common/meta.c @@ -1515,23 +1515,15 @@ static void meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) { const char *vs_source = + "#extension GL_AMD_vertex_shader_layer : enable\n" "attribute vec4 position;\n" - "void main()\n" - "{\n" - " gl_Position = position;\n" - "}\n"; - const char *gs_source = - "#version 150\n" - "layout(triangles) in;\n" - "layout(triangle_strip, max_vertices = 4) out;\n" "uniform int layer;\n" "void main()\n" "{\n" - " for (int i = 0; i < 3; i++) {\n" - " gl_Layer = layer;\n" - " gl_Position = gl_in[i].gl_Position;\n" - " EmitVertex();\n" - " }\n" + "#ifdef GL_AMD_vertex_shader_layer\n" + " gl_Layer = layer;\n" + "#endif\n" + " gl_Position = position;\n" "}\n"; const char *fs_source = "uniform vec4 color;\n" @@ -1539,7 +1531,7 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) "{\n" " gl_FragColor = color;\n" "}\n"; - GLuint vs, gs = 0, fs; + GLuint vs, fs; bool has_integer_textures; _mesa_meta_setup_vertex_objects(&clear->VAO, &clear->VBO, true, 3, 0, 0); @@ -1551,12 +1543,6 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) _mesa_ShaderSource(vs, 1, &vs_source, NULL); _mesa_CompileShader(vs); - if (_mesa_has_geometry_shaders(ctx)) { - gs = _mesa_CreateShader(GL_GEOMETRY_SHADER); - _mesa_ShaderSource(gs, 1, &gs_source, NULL); - _mesa_CompileShader(gs); - } - fs = _mesa_CreateShader(GL_FRAGMENT_SHADER); _mesa_ShaderSource(fs, 1, &fs_source, NULL); _mesa_CompileShader(fs); @@ -1564,20 +1550,14 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) clear->ShaderProg = _mesa_CreateProgram(); _mesa_AttachShader(clear->ShaderProg, fs); _mesa_DeleteShader(fs); - if (gs != 0) - _mesa_AttachShader(clear->ShaderProg, gs); _mesa_AttachShader(clear->ShaderProg, vs); _mesa_DeleteShader(vs); _mesa_BindAttribLocation(clear->ShaderProg, 0, "position"); _mesa_ObjectLabel(GL_PROGRAM, clear->ShaderProg, -1, "meta clear"); _mesa_LinkProgram(clear->ShaderProg); - clear->ColorLocation = _mesa_GetUniformLocation(clear->ShaderProg, - "color"); - if (gs != 0) { - clear->LayerLocation = _mesa_GetUniformLocation(clear->ShaderProg, - "layer"); - } + clear->ColorLocation = _mesa_GetUniformLocation(clear->ShaderProg, "color"); + clear->LayerLocation = _mesa_GetUniformLocation(clear->ShaderProg, "layer"); has_integer_textures = _mesa_is_gles3(ctx) || (_mesa_is_desktop_gl(ctx) && ctx->Const.GLSLVersion >= 130); @@ -1587,9 +1567,14 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) const char *vs_int_source = ralloc_asprintf(shader_source_mem_ctx, "#version 130\n" + "#extension GL_AMD_vertex_shader_layer : enable\n" "in vec4 position;\n" + "uniform int layer;\n" "void main()\n" "{\n" + "#ifdef GL_AMD_vertex_shader_layer\n" + " gl_Layer = layer;\n" + "#endif\n" " gl_Position = position;\n" "}\n"); const char *fs_int_source = @@ -1612,8 +1597,6 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) clear->IntegerShaderProg = _mesa_CreateProgram(); _mesa_AttachShader(clear->IntegerShaderProg, fs); _mesa_DeleteShader(fs); - if (gs != 0) - _mesa_AttachShader(clear->IntegerShaderProg, gs); _mesa_AttachShader(clear->IntegerShaderProg, vs); _mesa_DeleteShader(vs); _mesa_BindAttribLocation(clear->IntegerShaderProg, 0, "position"); @@ -1629,13 +1612,9 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) clear->IntegerColorLocation = _mesa_GetUniformLocation(clear->IntegerShaderProg, "color"); - if (gs != 0) { - clear->IntegerLayerLocation = - _mesa_GetUniformLocation(clear->IntegerShaderProg, "layer"); - } + clear->IntegerLayerLocation = + _mesa_GetUniformLocation(clear->IntegerShaderProg, "layer"); } - if (gs != 0) - _mesa_DeleteShader(gs); } static void @@ -1843,7 +1822,7 @@ meta_clear(struct gl_context *ctx, GLbitfield buffers, bool glsl) /* draw quad(s) */ if (fb->MaxNumLayers > 0) { unsigned layer; - assert(glsl); + assert(glsl && clear->LayerLocation != -1); for (layer = 0; layer < fb->MaxNumLayers; layer++) { if (fb->_IntegerColor) _mesa_Uniform1i(clear->IntegerLayerLocation, layer); |