diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_link.cpp | 36 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/genX_state_upload.c | 26 |
2 files changed, 40 insertions, 22 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_link.cpp b/src/mesa/drivers/dri/i965/brw_link.cpp index 57aaf6b9dc0..e9158c596c5 100644 --- a/src/mesa/drivers/dri/i965/brw_link.cpp +++ b/src/mesa/drivers/dri/i965/brw_link.cpp @@ -28,6 +28,7 @@ #include "compiler/glsl/ir_optimization.h" #include "compiler/glsl/program.h" #include "program/program.h" +#include "main/mtypes.h" #include "main/shaderapi.h" #include "main/shaderobj.h" #include "main/uniforms.h" @@ -176,6 +177,39 @@ unify_interfaces(struct shader_info **infos) } } +static void +update_xfb_info(struct gl_transform_feedback_info *xfb_info) +{ + if (!xfb_info) + return; + + for (unsigned i = 0; i < xfb_info->NumOutputs; i++) { + struct gl_transform_feedback_output *output = &xfb_info->Outputs[i]; + + /* The VUE header contains three scalar fields packed together: + * - gl_PointSize is stored in VARYING_SLOT_PSIZ.w + * - gl_Layer is stored in VARYING_SLOT_PSIZ.y + * - gl_ViewportIndex is stored in VARYING_SLOT_PSIZ.z + */ + switch (output->OutputRegister) { + case VARYING_SLOT_LAYER: + assert(output->NumComponents == 1); + output->OutputRegister = VARYING_SLOT_PSIZ; + output->ComponentOffset = 1; + break; + case VARYING_SLOT_VIEWPORT: + assert(output->NumComponents == 1); + output->OutputRegister = VARYING_SLOT_PSIZ; + output->ComponentOffset = 2; + break; + case VARYING_SLOT_PSIZ: + assert(output->NumComponents == 1); + output->ComponentOffset = 3; + break; + } + } +} + extern "C" GLboolean brw_link_shader(struct gl_context *ctx, struct gl_shader_program *shProg) { @@ -199,6 +233,8 @@ brw_link_shader(struct gl_context *ctx, struct gl_shader_program *shProg) prog->ShadowSamplers = shader->shadow_samplers; _mesa_update_shader_textures_used(shProg, prog); + update_xfb_info(prog->sh.LinkedTransformFeedback); + bool debug_enabled = (INTEL_DEBUG & intel_debug_flag_for_shader_stage(shader->Stage)); diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c b/src/mesa/drivers/dri/i965/genX_state_upload.c index 76d2ea887b1..a2ed2e72710 100644 --- a/src/mesa/drivers/dri/i965/genX_state_upload.c +++ b/src/mesa/drivers/dri/i965/genX_state_upload.c @@ -3087,32 +3087,14 @@ genX(upload_3dstate_so_decl_list)(struct brw_context *brw, unsigned decl_buffer_slot = buffer; assert(stream_id < MAX_VERTEX_STREAMS); - /* gl_PointSize is stored in VARYING_SLOT_PSIZ.w - * gl_Layer is stored in VARYING_SLOT_PSIZ.y - * gl_ViewportIndex is stored in VARYING_SLOT_PSIZ.z - */ - if (varying == VARYING_SLOT_PSIZ) { - assert(components == 1); - component_mask <<= 3; - } else if (varying == VARYING_SLOT_LAYER) { - assert(components == 1); - component_mask <<= 1; - } else if (varying == VARYING_SLOT_VIEWPORT) { - assert(components == 1); - component_mask <<= 2; - } else { - component_mask <<= linked_xfb_info->Outputs[i].ComponentOffset; - } + component_mask <<= linked_xfb_info->Outputs[i].ComponentOffset; buffer_mask[stream_id] |= 1 << buffer; + assert(vue_map->varying_to_slot[varying] >= 0); + decl.OutputBufferSlot = decl_buffer_slot; - if (varying == VARYING_SLOT_LAYER || varying == VARYING_SLOT_VIEWPORT) { - decl.RegisterIndex = vue_map->varying_to_slot[VARYING_SLOT_PSIZ]; - } else { - assert(vue_map->varying_to_slot[varying] >= 0); - decl.RegisterIndex = vue_map->varying_to_slot[varying]; - } + decl.RegisterIndex = vue_map->varying_to_slot[varying]; decl.ComponentMask = component_mask; /* Mesa doesn't store entries for gl_SkipComponents in the Outputs[] |