diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_curbe.c | 52 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_state.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_state_upload.c | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 130 |
5 files changed, 95 insertions, 90 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index 838e718d0d..873fc8ffff 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -131,6 +131,7 @@ struct brw_context; #define BRW_NEW_WM_INPUT_DIMENSIONS 0x100 #define BRW_NEW_INPUT_VARYING 0x200 #define BRW_NEW_PSP 0x800 +#define BRW_NEW_WM_SURFACES 0x1000 #define BRW_NEW_FENCE 0x2000 #define BRW_NEW_INDICES 0x4000 #define BRW_NEW_VERTICES 0x8000 diff --git a/src/mesa/drivers/dri/i965/brw_curbe.c b/src/mesa/drivers/dri/i965/brw_curbe.c index 7bd5021346..a1a6c53d0e 100644 --- a/src/mesa/drivers/dri/i965/brw_curbe.c +++ b/src/mesa/drivers/dri/i965/brw_curbe.c @@ -329,63 +329,11 @@ static void prepare_constant_buffer(struct brw_context *brw) */ } - -/** - * Copy Mesa program parameters into given constant buffer. - */ -static void -update_constant_buffer(struct brw_context *brw, - const struct gl_program_parameter_list *params, - dri_bo *const_buffer) -{ - struct intel_context *intel = &brw->intel; - const int size = params->NumParameters * 4 * sizeof(GLfloat); - - /* copy Mesa program constants into the buffer */ - if (const_buffer && size > 0) { - - assert(const_buffer); - assert(const_buffer->size >= size); - - if (intel->intelScreen->kernel_exec_fencing) { - drm_intel_gem_bo_map_gtt(const_buffer); - memcpy(const_buffer->virtual, params->ParameterValues, size); - drm_intel_gem_bo_unmap_gtt(const_buffer); - } - else { - dri_bo_subdata(const_buffer, 0, size, params->ParameterValues); - } - - if (0) { - _mesa_print_parameter_list(params); - } - } -} - - - -/** Copy current fragment program's parameters into the constant buffer */ -static void -update_fragment_constant_buffer(struct brw_context *brw) -{ - struct brw_fragment_program *fp = - (struct brw_fragment_program *) brw->fragment_program; - if (0) { - printf("update WM constants in buffer %p\n", fp->const_buffer); - printf("program %u\n", fp->program.Base.Id); - } - if (fp->use_const_buffer) - update_constant_buffer(brw, fp->program.Base.Parameters, fp->const_buffer); -} - - static void emit_constant_buffer(struct brw_context *brw) { struct intel_context *intel = &brw->intel; GLuint sz = brw->curbe.total_size; - update_fragment_constant_buffer(brw); - BEGIN_BATCH(2, IGNORE_CLIPRECTS); if (sz == 0) { OUT_BATCH((CMD_CONST_BUFFER << 16) | (2 - 2)); diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h index 1171e61ad4..bf9f6cae55 100644 --- a/src/mesa/drivers/dri/i965/brw_state.h +++ b/src/mesa/drivers/dri/i965/brw_state.h @@ -78,6 +78,7 @@ const struct brw_tracked_state brw_vs_unit; const struct brw_tracked_state brw_wm_input_sizes; const struct brw_tracked_state brw_wm_prog; const struct brw_tracked_state brw_wm_samplers; +const struct brw_tracked_state brw_wm_constant_surface; const struct brw_tracked_state brw_wm_surfaces; const struct brw_tracked_state brw_wm_unit; diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c index 4c1ffe81c9..c6dfea4743 100644 --- a/src/mesa/drivers/dri/i965/brw_state_upload.c +++ b/src/mesa/drivers/dri/i965/brw_state_upload.c @@ -63,6 +63,7 @@ const struct brw_tracked_state *atoms[] = &brw_cc_unit, &brw_vs_surfaces, /* must do before unit */ + &brw_wm_constant_surface, /* must do before wm surfaces/bind bo */ &brw_wm_surfaces, /* must do before samplers and unit */ &brw_wm_samplers, diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c index 052bcf342c..53ce39cfe2 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c @@ -365,47 +365,70 @@ brw_create_constant_surface( struct brw_context *brw, return bo; } +/* Creates a new WM constant buffer reflecting the current fragment program's + * constants, if needed by the fragment program. + * + * Otherwise, constants go through the CURBEs using the brw_constant_buffer + * state atom. + */ +static drm_intel_bo * +brw_wm_update_constant_buffer(struct brw_context *brw) +{ + struct intel_context *intel = &brw->intel; + struct brw_fragment_program *fp = + (struct brw_fragment_program *) brw->fragment_program; + const struct gl_program_parameter_list *params = fp->program.Base.Parameters; + const int size = params->NumParameters * 4 * sizeof(GLfloat); + drm_intel_bo *const_buffer; + + /* BRW_NEW_FRAGMENT_PROGRAM */ + if (!fp->use_const_buffer) + return NULL; + + const_buffer = drm_intel_bo_alloc(intel->bufmgr, "fp_const_buffer", + size, 64); + + /* _NEW_PROGRAM_CONSTANTS */ + dri_bo_subdata(const_buffer, 0, size, params->ParameterValues); + + return const_buffer; +} /** * Update the surface state for a WM constant buffer. * The constant buffer will be (re)allocated here if needed. */ -static dri_bo * +static void brw_update_wm_constant_surface( GLcontext *ctx, - GLuint surf, - dri_bo *const_buffer, - const struct gl_program_parameter_list *params) + GLuint surf) { struct brw_context *brw = brw_context(ctx); struct brw_surface_key key; - struct intel_context *intel = &brw->intel; - const int size = params->NumParameters * 4 * sizeof(GLfloat); struct brw_fragment_program *fp = (struct brw_fragment_program *) brw->fragment_program; + const struct gl_program_parameter_list *params = + fp->program.Base.Parameters; - if (!fp->use_const_buffer) { - dri_bo_unreference(const_buffer); - brw->wm.surf_bo[surf] = NULL; - return NULL; - } - - /* free old const buffer if too small */ - if (const_buffer && const_buffer->size < size) { - dri_bo_unreference(const_buffer); - const_buffer = NULL; - } + /* If we're in this state update atom, we need to update WM constants, so + * free the old buffer and create a new one for the new contents. + */ + dri_bo_unreference(fp->const_buffer); + fp->const_buffer = brw_wm_update_constant_buffer(brw); - /* alloc new buffer if needed */ - if (!const_buffer) { - const_buffer = - drm_intel_bo_alloc(intel->bufmgr, "fp_const_buffer", size, 64); + /* If there's no constant buffer, then no surface BO is needed to point at + * it. + */ + if (fp->const_buffer == 0) { + drm_intel_bo_unreference(brw->wm.surf_bo[surf]); + brw->wm.surf_bo[surf] = NULL; + return; } memset(&key, 0, sizeof(key)); key.format = MESA_FORMAT_RGBA_FLOAT32; key.internal_format = GL_RGBA; - key.bo = const_buffer; + key.bo = fp->const_buffer; key.depthmode = GL_NONE; key.pitch = params->NumParameters; key.width = params->NumParameters; @@ -428,10 +451,51 @@ brw_update_wm_constant_surface( GLcontext *ctx, if (brw->wm.surf_bo[surf] == NULL) { brw->wm.surf_bo[surf] = brw_create_constant_surface(brw, &key); } + brw->state.dirty.brw |= BRW_NEW_WM_SURFACES; +} - return const_buffer; +/** + * Updates surface / buffer for fragment shader constant buffer, if + * one is required. + * + * This consumes the state updates for the constant buffer, and produces + * BRW_NEW_WM_SURFACES to get picked up by brw_prepare_wm_surfaces for + * inclusion in the binding table. + */ +static void prepare_wm_constant_surface(struct brw_context *brw ) +{ + GLcontext *ctx = &brw->intel.ctx; + struct brw_fragment_program *fp = + (struct brw_fragment_program *) brw->fragment_program; + GLuint surf = SURF_INDEX_FRAG_CONST_BUFFER; + + drm_intel_bo_unreference(fp->const_buffer); + fp->const_buffer = brw_wm_update_constant_buffer(brw); + + /* If there's no constant buffer, then no surface BO is needed to point at + * it. + */ + if (fp->const_buffer == 0) { + if (brw->wm.surf_bo[surf] != NULL) { + drm_intel_bo_unreference(brw->wm.surf_bo[surf]); + brw->wm.surf_bo[surf] = NULL; + brw->state.dirty.brw |= BRW_NEW_WM_SURFACES; + } + return; + } + + brw_update_wm_constant_surface(ctx, surf); } +const struct brw_tracked_state brw_wm_constant_surface = { + .dirty = { + .mesa = (_NEW_PROGRAM_CONSTANTS), + .brw = (BRW_NEW_FRAGMENT_PROGRAM), + .cache = 0 + }, + .prepare = prepare_wm_constant_surface, +}; + /** * Sets up a surface state structure to point at the given region. @@ -628,18 +692,8 @@ static void prepare_wm_surfaces(struct brw_context *brw ) old_nr_surfaces = brw->wm.nr_surfaces; brw->wm.nr_surfaces = MAX_DRAW_BUFFERS; - /* Update surface / buffer for fragment shader constant buffer */ - { - const GLuint surf = SURF_INDEX_FRAG_CONST_BUFFER; - struct brw_fragment_program *fp = - (struct brw_fragment_program *) brw->fragment_program; - fp->const_buffer = - brw_update_wm_constant_surface(ctx, surf, fp->const_buffer, - fp->program.Base.Parameters); - - if (fp->const_buffer != NULL) - brw->wm.nr_surfaces = surf + 1; - } + if (brw->wm.surf_bo[SURF_INDEX_FRAG_CONST_BUFFER] != NULL) + brw->wm.nr_surfaces = SURF_INDEX_FRAG_CONST_BUFFER + 1; /* Update surfaces for textures */ for (i = 0; i < BRW_MAX_TEX_UNIT; i++) { @@ -677,9 +731,9 @@ const struct brw_tracked_state brw_wm_surfaces = { .mesa = (_NEW_COLOR | _NEW_TEXTURE | _NEW_BUFFERS | - _NEW_PROGRAM | - _NEW_PROGRAM_CONSTANTS), - .brw = (BRW_NEW_CONTEXT), + _NEW_PROGRAM), + .brw = (BRW_NEW_CONTEXT | + BRW_NEW_WM_SURFACES), .cache = 0 }, .prepare = prepare_wm_surfaces, |