/*
Copyright (C) Intel Corp. 2006. All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ Intel funded Tungsten Graphics to
develop this 3D driver.
Permission is hereby granted, free of charge, to any person obtaining
**********************************************************************/
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
#include "main/mtypes.h"
-#include "main/texstore.h"
#include "program/prog_parameter.h"
+#include "main/shaderapi.h"
#include "brw_context.h"
#include "brw_state.h"
+#include "intel_buffer_objects.h"
-/* Creates a new VS constant buffer reflecting the current VS program's
- * constants, if needed by the VS program.
+/**
+ * Creates a temporary BO containing the pull constant data for the shader
+ * stage, and the SURFACE_STATE struct that points at it.
*
- * Otherwise, constants go through the CURBEs using the brw_constant_buffer
- * state atom.
+ * Pull constants are GLSL uniforms (and other constant data) beyond what we
+ * could fit as push constants, or that have variable-index array access
+ * (which is easiest to support using pull constants, and avoids filling
+ * register space with mostly-unused data).
+ *
+ * Compare this path to brw_curbe.c for gen4/5 push constants, and
+ * gen6_vs_state.c for gen6+ push constants.
*/
-static void
-prepare_vs_constants(struct brw_context *brw)
+void
+brw_upload_pull_constants(struct brw_context *brw,
+ GLbitfield64 brw_new_constbuf,
+ const struct gl_program *prog,
+ struct brw_stage_state *stage_state,
+ const struct brw_stage_prog_data *prog_data)
{
- struct gl_context *ctx = &brw->intel.ctx;
- struct intel_context *intel = &brw->intel;
- struct brw_vertex_program *vp =
- (struct brw_vertex_program *) brw->vertex_program;
- const struct gl_program_parameter_list *params = vp->program.Base.Parameters;
- const int size = params->NumParameters * 4 * sizeof(GLfloat);
- int i;
+ unsigned i;
+ uint32_t surf_index = prog_data->binding_table.pull_constants_start;
- if (vp->program.IsNVProgram)
- _mesa_load_tracked_matrices(ctx);
+ if (!prog_data->nr_pull_params) {
+ if (stage_state->surf_offset[surf_index]) {
+ stage_state->surf_offset[surf_index] = 0;
+ brw->ctx.NewDriverState |= brw_new_constbuf;
+ }
+ return;
+ }
/* Updates the ParamaterValues[i] pointers for all parameters of the
* basic type of PROGRAM_STATE_VAR.
*/
- _mesa_load_state_parameters(&brw->intel.ctx, vp->program.Base.Parameters);
+ _mesa_load_state_parameters(&brw->ctx, prog->Parameters);
- /* BRW_NEW_VERTEX_PROGRAM */
- if (!vp->use_const_buffer) {
- if (brw->vs.const_bo) {
- drm_intel_bo_unreference(brw->vs.const_bo);
- brw->vs.const_bo = NULL;
- brw->state.dirty.brw |= BRW_NEW_VS_CONSTBUF;
- }
- return;
- }
+ /* BRW_NEW_*_PROG_DATA | _NEW_PROGRAM_CONSTANTS */
+ uint32_t size = prog_data->nr_pull_params * 4;
+ drm_intel_bo *const_bo = NULL;
+ uint32_t const_offset;
+ gl_constant_value *constants = intel_upload_space(brw, size, 64,
+ &const_bo, &const_offset);
- /* _NEW_PROGRAM_CONSTANTS */
- drm_intel_bo_unreference(brw->vs.const_bo);
- brw->vs.const_bo = drm_intel_bo_alloc(intel->bufmgr, "vp_const_buffer",
- size, 64);
-
- drm_intel_gem_bo_map_gtt(brw->vs.const_bo);
- for (i = 0; i < params->NumParameters; i++) {
- memcpy(brw->vs.const_bo->virtual + i * 4 * sizeof(float),
- params->ParameterValues[i],
- 4 * sizeof(float));
+ STATIC_ASSERT(sizeof(gl_constant_value) == sizeof(float));
+
+ for (i = 0; i < prog_data->nr_pull_params; i++) {
+ constants[i] = *prog_data->pull_param[i];
}
if (0) {
- for (i = 0; i < params->NumParameters; i++) {
- float *row = (float *)brw->vs.const_bo->virtual + i * 4;
- printf("vs const surface %3d: %4.3f %4.3f %4.3f %4.3f\n",
- i, row[0], row[1], row[2], row[3]);
+ for (i = 0; i < ALIGN(prog_data->nr_pull_params, 4) / 4; i++) {
+ const gl_constant_value *row = &constants[i * 4];
+ fprintf(stderr, "const surface %3d: %4.3f %4.3f %4.3f %4.3f\n",
+ i, row[0].f, row[1].f, row[2].f, row[3].f);
}
}
- drm_intel_gem_bo_unmap_gtt(brw->vs.const_bo);
- brw->state.dirty.brw |= BRW_NEW_VS_CONSTBUF;
+ brw_create_constant_surface(brw, const_bo, const_offset, size,
+ &stage_state->surf_offset[surf_index]);
+ drm_intel_bo_unreference(const_bo);
+
+ brw->ctx.NewDriverState |= brw_new_constbuf;
}
-const struct brw_tracked_state brw_vs_constants = {
- .dirty = {
- .mesa = (_NEW_PROGRAM_CONSTANTS),
- .brw = (BRW_NEW_VERTEX_PROGRAM),
- .cache = 0
- },
- .prepare = prepare_vs_constants,
-};
-/**
- * Update the surface state for a VS constant buffer.
+/* Creates a new VS constant buffer reflecting the current VS program's
+ * constants, if needed by the VS program.
*
- * Sets brw->vs.surf_bo[surf] and brw->vp->const_buffer.
+ * Otherwise, constants go through the CURBEs using the brw_constant_buffer
+ * state atom.
*/
static void
-brw_update_vs_constant_surface( struct gl_context *ctx,
- GLuint surf)
+brw_upload_vs_pull_constants(struct brw_context *brw)
{
- struct brw_context *brw = brw_context(ctx);
+ struct brw_stage_state *stage_state = &brw->vs.base;
+
+ /* BRW_NEW_VERTEX_PROGRAM */
struct brw_vertex_program *vp =
(struct brw_vertex_program *) brw->vertex_program;
- const struct gl_program_parameter_list *params = vp->program.Base.Parameters;
- assert(surf == 0);
+ /* BRW_NEW_VS_PROG_DATA */
+ const struct brw_stage_prog_data *prog_data = &brw->vs.prog_data->base.base;
- /* If there's no constant buffer, then no surface BO is needed to point at
- * it.
- */
- if (brw->vs.const_bo == NULL) {
- drm_intel_bo_unreference(brw->vs.surf_bo[surf]);
- brw->vs.surf_bo[surf] = NULL;
- return;
- }
-
- brw_create_constant_surface(brw, brw->vs.const_bo, params->NumParameters,
- &brw->vs.surf_bo[surf],
- &brw->vs.surf_offset[surf]);
+ _mesa_shader_write_subroutine_indices(&brw->ctx, MESA_SHADER_VERTEX);
+ /* _NEW_PROGRAM_CONSTANTS */
+ brw_upload_pull_constants(brw, BRW_NEW_VS_CONSTBUF, &vp->program.Base,
+ stage_state, prog_data);
}
+const struct brw_tracked_state brw_vs_pull_constants = {
+ .dirty = {
+ .mesa = _NEW_PROGRAM_CONSTANTS,
+ .brw = BRW_NEW_BATCH |
+ BRW_NEW_BLORP |
+ BRW_NEW_VERTEX_PROGRAM |
+ BRW_NEW_VS_PROG_DATA,
+ },
+ .emit = brw_upload_vs_pull_constants,
+};
static void
-prepare_vs_surfaces(struct brw_context *brw)
+brw_upload_vs_ubo_surfaces(struct brw_context *brw)
{
- int nr_surfaces = 0;
+ struct gl_context *ctx = &brw->ctx;
+ /* _NEW_PROGRAM */
+ struct gl_shader_program *prog =
+ ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX];
- if (brw->vs.const_bo) {
- brw_add_validated_bo(brw, brw->vs.const_bo);
- nr_surfaces = 1;
- }
+ if (!prog)
+ return;
- if (brw->vs.nr_surfaces != nr_surfaces) {
- brw->state.dirty.brw |= BRW_NEW_NR_VS_SURFACES;
- brw->vs.nr_surfaces = nr_surfaces;
- }
+ /* BRW_NEW_VS_PROG_DATA */
+ brw_upload_ubo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_VERTEX],
+ &brw->vs.base, &brw->vs.prog_data->base.base);
}
-/**
- * Vertex shader surfaces (constant buffer).
- *
- * This consumes the state updates for the constant buffer needing
- * to be updated, and produces BRW_NEW_NR_VS_SURFACES for the VS unit and
- * CACHE_NEW_SURF_BIND for the binding table upload.
- */
-static void upload_vs_surfaces(struct brw_context *brw)
+const struct brw_tracked_state brw_vs_ubo_surfaces = {
+ .dirty = {
+ .mesa = _NEW_PROGRAM,
+ .brw = BRW_NEW_BATCH |
+ BRW_NEW_BLORP |
+ BRW_NEW_UNIFORM_BUFFER |
+ BRW_NEW_VS_PROG_DATA,
+ },
+ .emit = brw_upload_vs_ubo_surfaces,
+};
+
+static void
+brw_upload_vs_abo_surfaces(struct brw_context *brw)
{
- struct gl_context *ctx = &brw->intel.ctx;
- uint32_t *bind;
- int i;
-
- /* BRW_NEW_NR_VS_SURFACES */
- if (brw->vs.nr_surfaces == 0) {
- if (brw->vs.bind_bo) {
- drm_intel_bo_unreference(brw->vs.bind_bo);
- brw->vs.bind_bo = NULL;
- brw->state.dirty.brw |= BRW_NEW_BINDING_TABLE;
- }
- return;
+ struct gl_context *ctx = &brw->ctx;
+ /* _NEW_PROGRAM */
+ struct gl_shader_program *prog =
+ ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX];
+
+ if (prog) {
+ /* BRW_NEW_VS_PROG_DATA */
+ brw_upload_abo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_VERTEX],
+ &brw->vs.base, &brw->vs.prog_data->base.base);
}
+}
- brw_update_vs_constant_surface(ctx, SURF_INDEX_VERT_CONST_BUFFER);
+const struct brw_tracked_state brw_vs_abo_surfaces = {
+ .dirty = {
+ .mesa = _NEW_PROGRAM,
+ .brw = BRW_NEW_ATOMIC_BUFFER |
+ BRW_NEW_BATCH |
+ BRW_NEW_BLORP |
+ BRW_NEW_VS_PROG_DATA,
+ },
+ .emit = brw_upload_vs_abo_surfaces,
+};
- /* Might want to calculate nr_surfaces first, to avoid taking up so much
- * space for the binding table. (once we have vs samplers)
- */
- bind = brw_state_batch(brw, sizeof(uint32_t) * BRW_VS_MAX_SURF,
- 32, &brw->vs.bind_bo, &brw->vs.bind_bo_offset);
-
- for (i = 0; i < BRW_VS_MAX_SURF; i++) {
- /* BRW_NEW_VS_CONSTBUF */
- if (brw->vs.surf_bo[i]) {
- bind[i] = brw->vs.surf_offset[i];
- } else {
- bind[i] = 0;
- }
- }
+static void
+brw_upload_vs_image_surfaces(struct brw_context *brw)
+{
+ struct gl_context *ctx = &brw->ctx;
+ /* BRW_NEW_VERTEX_PROGRAM */
+ struct gl_shader_program *prog =
+ ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX];
- brw->state.dirty.brw |= BRW_NEW_BINDING_TABLE;
+ if (prog) {
+ /* BRW_NEW_VS_PROG_DATA, BRW_NEW_IMAGE_UNITS, _NEW_TEXTURE */
+ brw_upload_image_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_VERTEX],
+ &brw->vs.base, &brw->vs.prog_data->base.base);
+ }
}
-const struct brw_tracked_state brw_vs_surfaces = {
+const struct brw_tracked_state brw_vs_image_surfaces = {
.dirty = {
- .mesa = 0,
- .brw = (BRW_NEW_VS_CONSTBUF |
- BRW_NEW_NR_VS_SURFACES |
- BRW_NEW_BATCH),
- .cache = 0
+ .mesa = _NEW_TEXTURE,
+ .brw = BRW_NEW_BATCH |
+ BRW_NEW_BLORP |
+ BRW_NEW_IMAGE_UNITS |
+ BRW_NEW_VERTEX_PROGRAM |
+ BRW_NEW_VS_PROG_DATA,
},
- .prepare = prepare_vs_surfaces,
- .emit = upload_vs_surfaces,
+ .emit = brw_upload_vs_image_surfaces,
};
projects / mesa.git / blobdiff