diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/common/meta.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index f60f2735465..485128696c5 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -1527,12 +1527,12 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) { const char *vs_source = "#extension GL_AMD_vertex_shader_layer : enable\n" + "#extension GL_ARB_draw_instanced : enable\n" "attribute vec4 position;\n" - "uniform int layer;\n" "void main()\n" "{\n" "#ifdef GL_AMD_vertex_shader_layer\n" - " gl_Layer = layer;\n" + " gl_Layer = gl_InstanceID;\n" "#endif\n" " gl_Position = position;\n" "}\n"; @@ -1568,7 +1568,6 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) _mesa_LinkProgram(clear->ShaderProg); 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); @@ -1579,12 +1578,12 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) ralloc_asprintf(shader_source_mem_ctx, "#version 130\n" "#extension GL_AMD_vertex_shader_layer : enable\n" + "#extension GL_ARB_draw_instanced : 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" + " gl_Layer = gl_InstanceID;\n" "#endif\n" " gl_Position = position;\n" "}\n"); @@ -1623,8 +1622,6 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) clear->IntegerColorLocation = _mesa_GetUniformLocation(clear->IntegerShaderProg, "color"); - clear->IntegerLayerLocation = - _mesa_GetUniformLocation(clear->IntegerShaderProg, "layer"); } } @@ -1832,15 +1829,7 @@ meta_clear(struct gl_context *ctx, GLbitfield buffers, bool glsl) /* draw quad(s) */ if (fb->MaxNumLayers > 0) { - unsigned layer; - assert(glsl && clear->LayerLocation != -1); - for (layer = 0; layer < fb->MaxNumLayers; layer++) { - if (fb->_IntegerColor) - _mesa_Uniform1i(clear->IntegerLayerLocation, layer); - else - _mesa_Uniform1i(clear->LayerLocation, layer); - _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); - } + _mesa_DrawArraysInstanced(GL_TRIANGLE_FAN, 0, 4, fb->MaxNumLayers); } else { _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); } |