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Diffstat (limited to 'src/gallium/drivers/r300/r300_state.c')
-rw-r--r--src/gallium/drivers/r300/r300_state.c734
1 files changed, 734 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
new file mode 100644
index 0000000000..88cb9af6fb
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -0,0 +1,734 @@
+/*
+ * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "util/u_debug.h"
+#include "util/u_math.h"
+#include "util/u_pack_color.h"
+
+#include "tgsi/tgsi_parse.h"
+
+#include "pipe/p_config.h"
+#include "pipe/internal/p_winsys_screen.h"
+
+#include "r300_context.h"
+#include "r300_reg.h"
+#include "r300_state_inlines.h"
+#include "r300_fs.h"
+#include "r300_vs.h"
+
+/* r300_state: Functions used to intialize state context by translating
+ * Gallium state objects into semi-native r300 state objects. */
+
+/* Create a new blend state based on the CSO blend state.
+ *
+ * This encompasses alpha blending, logic/raster ops, and blend dithering. */
+static void* r300_create_blend_state(struct pipe_context* pipe,
+ const struct pipe_blend_state* state)
+{
+ struct r300_blend_state* blend = CALLOC_STRUCT(r300_blend_state);
+
+ if (state->blend_enable) {
+ /* XXX for now, always do separate alpha...
+ * is it faster to do it with one reg? */
+ blend->blend_control = R300_ALPHA_BLEND_ENABLE |
+ R300_SEPARATE_ALPHA_ENABLE |
+ R300_READ_ENABLE |
+ r300_translate_blend_function(state->rgb_func) |
+ (r300_translate_blend_factor(state->rgb_src_factor) <<
+ R300_SRC_BLEND_SHIFT) |
+ (r300_translate_blend_factor(state->rgb_dst_factor) <<
+ R300_DST_BLEND_SHIFT);
+ blend->alpha_blend_control =
+ r300_translate_blend_function(state->alpha_func) |
+ (r300_translate_blend_factor(state->alpha_src_factor) <<
+ R300_SRC_BLEND_SHIFT) |
+ (r300_translate_blend_factor(state->alpha_dst_factor) <<
+ R300_DST_BLEND_SHIFT);
+ }
+
+ /* PIPE_LOGICOP_* don't need to be translated, fortunately. */
+ if (state->logicop_enable) {
+ blend->rop = R300_RB3D_ROPCNTL_ROP_ENABLE |
+ (state->logicop_func) << R300_RB3D_ROPCNTL_ROP_SHIFT;
+ }
+
+ if (state->dither) {
+ blend->dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT |
+ R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT;
+ }
+
+ return (void*)blend;
+}
+
+/* Bind blend state. */
+static void r300_bind_blend_state(struct pipe_context* pipe,
+ void* state)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ r300->blend_state = (struct r300_blend_state*)state;
+ r300->dirty_state |= R300_NEW_BLEND;
+}
+
+/* Free blend state. */
+static void r300_delete_blend_state(struct pipe_context* pipe,
+ void* state)
+{
+ FREE(state);
+}
+
+/* Set blend color.
+ * Setup both R300 and R500 registers, figure out later which one to write. */
+static void r300_set_blend_color(struct pipe_context* pipe,
+ const struct pipe_blend_color* color)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ ubyte ur, ug, ub, ua;
+
+ ur = float_to_ubyte(color->color[0]);
+ ug = float_to_ubyte(color->color[1]);
+ ub = float_to_ubyte(color->color[2]);
+ ua = float_to_ubyte(color->color[3]);
+
+ util_pack_color(color->color, PIPE_FORMAT_A8R8G8B8_UNORM,
+ &r300->blend_color_state->blend_color);
+
+ /* XXX this is wrong */
+ r300->blend_color_state->blend_color_red_alpha = ur | (ua << 16);
+ r300->blend_color_state->blend_color_green_blue = ub | (ug << 16);
+
+ r300->dirty_state |= R300_NEW_BLEND_COLOR;
+}
+
+static void r300_set_clip_state(struct pipe_context* pipe,
+ const struct pipe_clip_state* state)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ if (r300_screen(pipe->screen)->caps->has_tcl) {
+ r300->clip_state = *state;
+ r300->dirty_state |= R300_NEW_CLIP;
+ } else {
+ draw_flush(r300->draw);
+ draw_set_clip_state(r300->draw, state);
+ }
+}
+
+static void
+ r300_set_constant_buffer(struct pipe_context* pipe,
+ uint shader, uint index,
+ const struct pipe_constant_buffer* buffer)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ /* This entire chunk of code seems ever-so-slightly baked.
+ * It's as if I've got pipe_buffer* matryoshkas... */
+ if (buffer && buffer->buffer && buffer->buffer->size) {
+ void* map = pipe->winsys->buffer_map(pipe->winsys, buffer->buffer,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ memcpy(r300->shader_constants[shader].constants,
+ map, buffer->buffer->size);
+ pipe->winsys->buffer_unmap(pipe->winsys, buffer->buffer);
+
+ r300->shader_constants[shader].count =
+ buffer->buffer->size / (sizeof(float) * 4);
+ } else {
+ r300->shader_constants[shader].count = 0;
+ }
+
+ r300->dirty_state |= R300_NEW_CONSTANTS;
+}
+
+/* Create a new depth, stencil, and alpha state based on the CSO dsa state.
+ *
+ * This contains the depth buffer, stencil buffer, alpha test, and such.
+ * On the Radeon, depth and stencil buffer setup are intertwined, which is
+ * the reason for some of the strange-looking assignments across registers. */
+static void*
+ r300_create_dsa_state(struct pipe_context* pipe,
+ const struct pipe_depth_stencil_alpha_state* state)
+{
+ struct r300_dsa_state* dsa = CALLOC_STRUCT(r300_dsa_state);
+
+ /* Depth test setup. */
+ if (state->depth.enabled) {
+ dsa->z_buffer_control |= R300_Z_ENABLE;
+
+ if (state->depth.writemask) {
+ dsa->z_buffer_control |= R300_Z_WRITE_ENABLE;
+ }
+
+ dsa->z_stencil_control |=
+ (r300_translate_depth_stencil_function(state->depth.func) <<
+ R300_Z_FUNC_SHIFT);
+ }
+
+ /* Stencil buffer setup. */
+ if (state->stencil[0].enabled) {
+ dsa->z_buffer_control |= R300_STENCIL_ENABLE;
+ dsa->z_stencil_control |=
+ (r300_translate_depth_stencil_function(state->stencil[0].func) <<
+ R300_S_FRONT_FUNC_SHIFT) |
+ (r300_translate_stencil_op(state->stencil[0].fail_op) <<
+ R300_S_FRONT_SFAIL_OP_SHIFT) |
+ (r300_translate_stencil_op(state->stencil[0].zpass_op) <<
+ R300_S_FRONT_ZPASS_OP_SHIFT) |
+ (r300_translate_stencil_op(state->stencil[0].zfail_op) <<
+ R300_S_FRONT_ZFAIL_OP_SHIFT);
+
+ dsa->stencil_ref_mask = (state->stencil[0].ref_value) |
+ (state->stencil[0].valuemask << R300_STENCILMASK_SHIFT) |
+ (state->stencil[0].writemask << R300_STENCILWRITEMASK_SHIFT);
+
+ if (state->stencil[1].enabled) {
+ dsa->z_buffer_control |= R300_STENCIL_FRONT_BACK;
+ dsa->z_stencil_control |=
+ (r300_translate_depth_stencil_function(state->stencil[1].func) <<
+ R300_S_BACK_FUNC_SHIFT) |
+ (r300_translate_stencil_op(state->stencil[1].fail_op) <<
+ R300_S_BACK_SFAIL_OP_SHIFT) |
+ (r300_translate_stencil_op(state->stencil[1].zpass_op) <<
+ R300_S_BACK_ZPASS_OP_SHIFT) |
+ (r300_translate_stencil_op(state->stencil[1].zfail_op) <<
+ R300_S_BACK_ZFAIL_OP_SHIFT);
+
+ dsa->stencil_ref_bf = (state->stencil[1].ref_value) |
+ (state->stencil[1].valuemask << R300_STENCILMASK_SHIFT) |
+ (state->stencil[1].writemask << R300_STENCILWRITEMASK_SHIFT);
+ }
+ }
+
+ /* Alpha test setup. */
+ if (state->alpha.enabled) {
+ dsa->alpha_function =
+ r300_translate_alpha_function(state->alpha.func) |
+ R300_FG_ALPHA_FUNC_ENABLE;
+ dsa->alpha_reference = CLAMP(state->alpha.ref_value * 1023.0f,
+ 0, 1023);
+ } else {
+ /* XXX need to fix this to be dynamically set
+ dsa->z_buffer_top = R300_ZTOP_ENABLE; */
+ }
+
+ return (void*)dsa;
+}
+
+/* Bind DSA state. */
+static void r300_bind_dsa_state(struct pipe_context* pipe,
+ void* state)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ r300->dsa_state = (struct r300_dsa_state*)state;
+ r300->dirty_state |= R300_NEW_DSA;
+}
+
+/* Free DSA state. */
+static void r300_delete_dsa_state(struct pipe_context* pipe,
+ void* state)
+{
+ FREE(state);
+}
+
+static void r300_set_edgeflags(struct pipe_context* pipe,
+ const unsigned* bitfield)
+{
+ /* XXX you know it's bad when i915 has this blank too */
+ /* XXX and even worse, I have no idea WTF the bitfield is */
+}
+
+static void
+ r300_set_framebuffer_state(struct pipe_context* pipe,
+ const struct pipe_framebuffer_state* state)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ draw_flush(r300->draw);
+
+ r300->framebuffer_state = *state;
+
+ r300->dirty_state |= R300_NEW_FRAMEBUFFERS;
+}
+
+/* Create fragment shader state. */
+static void* r300_create_fs_state(struct pipe_context* pipe,
+ const struct pipe_shader_state* shader)
+{
+ struct r300_fragment_shader* fs = NULL;
+
+ fs = (struct r300_fragment_shader*)CALLOC_STRUCT(r300_fragment_shader);
+
+ /* Copy state directly into shader. */
+ fs->state = *shader;
+ fs->state.tokens = tgsi_dup_tokens(shader->tokens);
+
+ tgsi_scan_shader(shader->tokens, &fs->info);
+
+ return (void*)fs;
+}
+
+/* Bind fragment shader state. */
+static void r300_bind_fs_state(struct pipe_context* pipe, void* shader)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader;
+
+ if (fs == NULL) {
+ r300->fs = NULL;
+ return;
+ } else if (!fs->translated) {
+ r300_translate_fragment_shader(r300, fs);
+ }
+
+ r300->fs = fs;
+
+ r300->dirty_state |= R300_NEW_FRAGMENT_SHADER;
+}
+
+/* Delete fragment shader state. */
+static void r300_delete_fs_state(struct pipe_context* pipe, void* shader)
+{
+ struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader;
+ rc_constants_destroy(&fs->code.constants);
+ FREE(fs->state.tokens);
+ FREE(shader);
+}
+
+static void r300_set_polygon_stipple(struct pipe_context* pipe,
+ const struct pipe_poly_stipple* state)
+{
+ /* XXX no idea how to set this up, but not terribly important */
+}
+
+/* Create a new rasterizer state based on the CSO rasterizer state.
+ *
+ * This is a very large chunk of state, and covers most of the graphics
+ * backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
+ *
+ * In a not entirely unironic sidenote, this state has nearly nothing to do
+ * with the actual block on the Radeon called the rasterizer (RS). */
+static void* r300_create_rs_state(struct pipe_context* pipe,
+ const struct pipe_rasterizer_state* state)
+{
+ struct r300_rs_state* rs = CALLOC_STRUCT(r300_rs_state);
+
+ /* Copy rasterizer state for Draw. */
+ rs->rs = *state;
+
+ rs->enable_vte = !state->bypass_vs_clip_and_viewport;
+
+#ifdef PIPE_ARCH_LITTLE_ENDIAN
+ rs->vap_control_status = R300_VC_NO_SWAP;
+#else
+ rs->vap_control_status = R300_VC_32BIT_SWAP;
+#endif
+
+ /* If bypassing TCL, or if no TCL engine is present, turn off the HW TCL.
+ * Else, enable HW TCL and force Draw's TCL off. */
+ if (state->bypass_vs_clip_and_viewport ||
+ !r300_screen(pipe->screen)->caps->has_tcl) {
+ rs->vap_control_status |= R300_VAP_TCL_BYPASS;
+ } else {
+ rs->rs.bypass_vs_clip_and_viewport = TRUE;
+ }
+
+ rs->point_size = pack_float_16_6x(state->point_size) |
+ (pack_float_16_6x(state->point_size) << R300_POINTSIZE_X_SHIFT);
+
+ rs->point_minmax =
+ ((int)(state->point_size_min * 6.0) <<
+ R300_GA_POINT_MINMAX_MIN_SHIFT) |
+ ((int)(state->point_size_max * 6.0) <<
+ R300_GA_POINT_MINMAX_MAX_SHIFT);
+
+ rs->line_control = pack_float_16_6x(state->line_width) |
+ R300_GA_LINE_CNTL_END_TYPE_COMP;
+
+ /* Radeons don't think in "CW/CCW", they think in "front/back". */
+ if (state->front_winding == PIPE_WINDING_CW) {
+ rs->cull_mode = R300_FRONT_FACE_CW;
+
+ if (state->offset_cw) {
+ rs->polygon_offset_enable |= R300_FRONT_ENABLE;
+ }
+ if (state->offset_ccw) {
+ rs->polygon_offset_enable |= R300_BACK_ENABLE;
+ }
+ } else {
+ rs->cull_mode = R300_FRONT_FACE_CCW;
+
+ if (state->offset_ccw) {
+ rs->polygon_offset_enable |= R300_FRONT_ENABLE;
+ }
+ if (state->offset_cw) {
+ rs->polygon_offset_enable |= R300_BACK_ENABLE;
+ }
+ }
+ if (state->front_winding & state->cull_mode) {
+ rs->cull_mode |= R300_CULL_FRONT;
+ }
+ if (~(state->front_winding) & state->cull_mode) {
+ rs->cull_mode |= R300_CULL_BACK;
+ }
+
+ if (rs->polygon_offset_enable) {
+ rs->depth_offset_front = rs->depth_offset_back =
+ fui(state->offset_units);
+ rs->depth_scale_front = rs->depth_scale_back =
+ fui(state->offset_scale);
+ }
+
+ if (state->line_stipple_enable) {
+ rs->line_stipple_config =
+ R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE |
+ (fui((float)state->line_stipple_factor) &
+ R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK);
+ /* XXX this might need to be scaled up */
+ rs->line_stipple_value = state->line_stipple_pattern;
+ }
+
+ if (state->flatshade) {
+ rs->color_control = R300_SHADE_MODEL_FLAT;
+ } else {
+ rs->color_control = R300_SHADE_MODEL_SMOOTH;
+ }
+
+ if (!state->flatshade_first) {
+ rs->color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST;
+ }
+
+ return (void*)rs;
+}
+
+/* Bind rasterizer state. */
+static void r300_bind_rs_state(struct pipe_context* pipe, void* state)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ struct r300_rs_state* rs = (struct r300_rs_state*)state;
+
+ draw_flush(r300->draw);
+ draw_set_rasterizer_state(r300->draw, &rs->rs);
+
+ r300->rs_state = rs;
+ r300->dirty_state |= R300_NEW_RASTERIZER;
+ r300->dirty_state |= R300_NEW_RS_BLOCK;
+ r300->dirty_state |= R300_NEW_SCISSOR;
+ r300->dirty_state |= R300_NEW_VIEWPORT;
+}
+
+/* Free rasterizer state. */
+static void r300_delete_rs_state(struct pipe_context* pipe, void* state)
+{
+ FREE(state);
+}
+
+static void*
+ r300_create_sampler_state(struct pipe_context* pipe,
+ const struct pipe_sampler_state* state)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ struct r300_sampler_state* sampler = CALLOC_STRUCT(r300_sampler_state);
+ int lod_bias;
+
+ sampler->filter0 |=
+ (r300_translate_wrap(state->wrap_s) << R300_TX_WRAP_S_SHIFT) |
+ (r300_translate_wrap(state->wrap_t) << R300_TX_WRAP_T_SHIFT) |
+ (r300_translate_wrap(state->wrap_r) << R300_TX_WRAP_R_SHIFT);
+
+ sampler->filter0 |= r300_translate_tex_filters(state->min_img_filter,
+ state->mag_img_filter,
+ state->min_mip_filter);
+
+ lod_bias = CLAMP((int)(state->lod_bias * 32), -(1 << 9), (1 << 9) - 1);
+
+ sampler->filter1 |= lod_bias << R300_LOD_BIAS_SHIFT;
+
+ sampler->filter1 |= r300_anisotropy(state->max_anisotropy);
+
+ util_pack_color(state->border_color, PIPE_FORMAT_A8R8G8B8_UNORM,
+ &sampler->border_color);
+
+ /* R500-specific fixups and optimizations */
+ if (r300_screen(r300->context.screen)->caps->is_r500) {
+ sampler->filter1 |= R500_BORDER_FIX;
+ }
+
+ return (void*)sampler;
+}
+
+static void r300_bind_sampler_states(struct pipe_context* pipe,
+ unsigned count,
+ void** states)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ int i;
+
+ if (count > 8) {
+ return;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (r300->sampler_states[i] != states[i]) {
+ r300->sampler_states[i] = (struct r300_sampler_state*)states[i];
+ r300->dirty_state |= (R300_NEW_SAMPLER << i);
+ }
+ }
+
+ r300->sampler_count = count;
+}
+
+static void r300_delete_sampler_state(struct pipe_context* pipe, void* state)
+{
+ FREE(state);
+}
+
+static void r300_set_sampler_textures(struct pipe_context* pipe,
+ unsigned count,
+ struct pipe_texture** texture)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ int i;
+
+ /* XXX magic num */
+ if (count > 8) {
+ return;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (r300->textures[i] != (struct r300_texture*)texture[i]) {
+ pipe_texture_reference((struct pipe_texture**)&r300->textures[i],
+ texture[i]);
+ r300->dirty_state |= (R300_NEW_TEXTURE << i);
+ }
+ }
+
+ for (i = count; i < 8; i++) {
+ if (r300->textures[i]) {
+ pipe_texture_reference((struct pipe_texture**)&r300->textures[i],
+ NULL);
+ r300->dirty_state |= (R300_NEW_TEXTURE << i);
+ }
+ }
+
+ r300->texture_count = count;
+}
+
+static void r300_set_scissor_state(struct pipe_context* pipe,
+ const struct pipe_scissor_state* state)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ if (r300_screen(r300->context.screen)->caps->is_r500) {
+ r300->scissor_state->scissor_top_left =
+ (state->minx << R300_SCISSORS_X_SHIFT) |
+ (state->miny << R300_SCISSORS_Y_SHIFT);
+ r300->scissor_state->scissor_bottom_right =
+ ((state->maxx - 1) << R300_SCISSORS_X_SHIFT) |
+ ((state->maxy - 1) << R300_SCISSORS_Y_SHIFT);
+ } else {
+ /* Offset of 1440 in non-R500 chipsets. */
+ r300->scissor_state->scissor_top_left =
+ ((state->minx + 1440) << R300_SCISSORS_X_SHIFT) |
+ ((state->miny + 1440) << R300_SCISSORS_Y_SHIFT);
+ r300->scissor_state->scissor_bottom_right =
+ (((state->maxx - 1) + 1440) << R300_SCISSORS_X_SHIFT) |
+ (((state->maxy - 1) + 1440) << R300_SCISSORS_Y_SHIFT);
+ }
+
+ r300->dirty_state |= R300_NEW_SCISSOR;
+}
+
+static void r300_set_viewport_state(struct pipe_context* pipe,
+ const struct pipe_viewport_state* state)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ /* Do the transform in HW. */
+ r300->viewport_state->vte_control = R300_VTX_W0_FMT;
+
+ if (state->scale[0] != 1.0f) {
+ assert(state->scale[0] != 0.0f);
+ r300->viewport_state->xscale = state->scale[0];
+ r300->viewport_state->vte_control |= R300_VPORT_X_SCALE_ENA;
+ }
+ if (state->scale[1] != 1.0f) {
+ assert(state->scale[1] != 0.0f);
+ r300->viewport_state->yscale = state->scale[1];
+ r300->viewport_state->vte_control |= R300_VPORT_Y_SCALE_ENA;
+ }
+ if (state->scale[2] != 1.0f) {
+ assert(state->scale[2] != 0.0f);
+ r300->viewport_state->zscale = state->scale[2];
+ r300->viewport_state->vte_control |= R300_VPORT_Z_SCALE_ENA;
+ }
+ if (state->translate[0] != 0.0f) {
+ r300->viewport_state->xoffset = state->translate[0];
+ r300->viewport_state->vte_control |= R300_VPORT_X_OFFSET_ENA;
+ }
+ if (state->translate[1] != 0.0f) {
+ r300->viewport_state->yoffset = state->translate[1];
+ r300->viewport_state->vte_control |= R300_VPORT_Y_OFFSET_ENA;
+ }
+ if (state->translate[2] != 0.0f) {
+ r300->viewport_state->zoffset = state->translate[2];
+ r300->viewport_state->vte_control |= R300_VPORT_Z_OFFSET_ENA;
+ }
+
+ r300->dirty_state |= R300_NEW_VIEWPORT;
+}
+
+static void r300_set_vertex_buffers(struct pipe_context* pipe,
+ unsigned count,
+ const struct pipe_vertex_buffer* buffers)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ memcpy(r300->vertex_buffers, buffers,
+ sizeof(struct pipe_vertex_buffer) * count);
+
+ r300->vertex_buffer_count = count;
+
+ draw_flush(r300->draw);
+ draw_set_vertex_buffers(r300->draw, count, buffers);
+}
+
+static void r300_set_vertex_elements(struct pipe_context* pipe,
+ unsigned count,
+ const struct pipe_vertex_element* elements)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ draw_flush(r300->draw);
+ draw_set_vertex_elements(r300->draw, count, elements);
+}
+
+static void* r300_create_vs_state(struct pipe_context* pipe,
+ const struct pipe_shader_state* shader)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ if (r300_screen(pipe->screen)->caps->has_tcl) {
+ struct r300_vertex_shader* vs = CALLOC_STRUCT(r300_vertex_shader);
+ /* Copy state directly into shader. */
+ vs->state = *shader;
+ vs->state.tokens = tgsi_dup_tokens(shader->tokens);
+
+ tgsi_scan_shader(shader->tokens, &vs->info);
+
+ /* Appease Draw. */
+ vs->draw = draw_create_vertex_shader(r300->draw, shader);
+
+ return (void*)vs;
+ } else {
+ return draw_create_vertex_shader(r300->draw, shader);
+ }
+}
+
+static void r300_bind_vs_state(struct pipe_context* pipe, void* shader)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ draw_flush(r300->draw);
+
+ if (r300_screen(pipe->screen)->caps->has_tcl) {
+ struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader;
+
+ if (vs == NULL) {
+ r300->vs = NULL;
+ return;
+ } else if (!vs->translated) {
+ r300_translate_vertex_shader(r300, vs);
+ }
+
+ draw_bind_vertex_shader(r300->draw, vs->draw);
+ r300->vs = vs;
+ r300->dirty_state |= R300_NEW_VERTEX_SHADER;
+ } else {
+ draw_bind_vertex_shader(r300->draw,
+ (struct draw_vertex_shader*)shader);
+ }
+}
+
+static void r300_delete_vs_state(struct pipe_context* pipe, void* shader)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ if (r300_screen(pipe->screen)->caps->has_tcl) {
+ struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader;
+
+ rc_constants_destroy(&vs->code.constants);
+ draw_delete_vertex_shader(r300->draw, vs->draw);
+ FREE(vs->state.tokens);
+ FREE(shader);
+ } else {
+ draw_delete_vertex_shader(r300->draw,
+ (struct draw_vertex_shader*)shader);
+ }
+}
+
+void r300_init_state_functions(struct r300_context* r300)
+{
+ r300->context.create_blend_state = r300_create_blend_state;
+ r300->context.bind_blend_state = r300_bind_blend_state;
+ r300->context.delete_blend_state = r300_delete_blend_state;
+
+ r300->context.set_blend_color = r300_set_blend_color;
+
+ r300->context.set_clip_state = r300_set_clip_state;
+
+ r300->context.set_constant_buffer = r300_set_constant_buffer;
+
+ r300->context.create_depth_stencil_alpha_state = r300_create_dsa_state;
+ r300->context.bind_depth_stencil_alpha_state = r300_bind_dsa_state;
+ r300->context.delete_depth_stencil_alpha_state = r300_delete_dsa_state;
+
+ r300->context.set_edgeflags = r300_set_edgeflags;
+
+ r300->context.set_framebuffer_state = r300_set_framebuffer_state;
+
+ r300->context.create_fs_state = r300_create_fs_state;
+ r300->context.bind_fs_state = r300_bind_fs_state;
+ r300->context.delete_fs_state = r300_delete_fs_state;
+
+ r300->context.set_polygon_stipple = r300_set_polygon_stipple;
+
+ r300->context.create_rasterizer_state = r300_create_rs_state;
+ r300->context.bind_rasterizer_state = r300_bind_rs_state;
+ r300->context.delete_rasterizer_state = r300_delete_rs_state;
+
+ r300->context.create_sampler_state = r300_create_sampler_state;
+ r300->context.bind_sampler_states = r300_bind_sampler_states;
+ r300->context.delete_sampler_state = r300_delete_sampler_state;
+
+ r300->context.set_sampler_textures = r300_set_sampler_textures;
+
+ r300->context.set_scissor_state = r300_set_scissor_state;
+
+ r300->context.set_viewport_state = r300_set_viewport_state;
+
+ r300->context.set_vertex_buffers = r300_set_vertex_buffers;
+ r300->context.set_vertex_elements = r300_set_vertex_elements;
+
+ r300->context.create_vs_state = r300_create_vs_state;
+ r300->context.bind_vs_state = r300_bind_vs_state;
+ r300->context.delete_vs_state = r300_delete_vs_state;
+}