/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ * Copyright 2009 Marek Olšák <maraeo@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* 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 "draw/draw_context.h"
+
#include "util/u_math.h"
+#include "util/u_memory.h"
#include "util/u_pack_color.h"
#include "tgsi/tgsi_parse.h"
#include "r300_context.h"
#include "r300_reg.h"
+#include "r300_screen.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. */
+static boolean blend_discard_if_src_alpha_0(unsigned srcRGB, unsigned srcA,
+ unsigned dstRGB, unsigned dstA)
+{
+ /* If the blend equation is ADD or REVERSE_SUBTRACT,
+ * SRC_ALPHA == 0, and the following state is set, the colorbuffer
+ * will not be changed.
+ * Notice that the dst factors are the src factors inverted. */
+ return (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
+ srcRGB == PIPE_BLENDFACTOR_ZERO) &&
+ (srcA == PIPE_BLENDFACTOR_SRC_COLOR ||
+ srcA == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ srcA == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
+ srcA == PIPE_BLENDFACTOR_ZERO) &&
+ (dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ dstRGB == PIPE_BLENDFACTOR_ONE) &&
+ (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
+ dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ dstA == PIPE_BLENDFACTOR_ONE);
+}
+
+static boolean blend_discard_if_src_alpha_1(unsigned srcRGB, unsigned srcA,
+ unsigned dstRGB, unsigned dstA)
+{
+ /* If the blend equation is ADD or REVERSE_SUBTRACT,
+ * SRC_ALPHA == 1, and the following state is set, the colorbuffer
+ * will not be changed.
+ * Notice that the dst factors are the src factors inverted. */
+ return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ srcRGB == PIPE_BLENDFACTOR_ZERO) &&
+ (srcA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
+ srcA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ srcA == PIPE_BLENDFACTOR_ZERO) &&
+ (dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ dstRGB == PIPE_BLENDFACTOR_ONE) &&
+ (dstA == PIPE_BLENDFACTOR_SRC_COLOR ||
+ dstA == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ dstA == PIPE_BLENDFACTOR_ONE);
+}
+
+static boolean blend_discard_if_src_color_0(unsigned srcRGB, unsigned srcA,
+ unsigned dstRGB, unsigned dstA)
+{
+ /* If the blend equation is ADD or REVERSE_SUBTRACT,
+ * SRC_COLOR == (0,0,0), and the following state is set, the colorbuffer
+ * will not be changed.
+ * Notice that the dst factors are the src factors inverted. */
+ return (srcRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
+ srcRGB == PIPE_BLENDFACTOR_ZERO) &&
+ (srcA == PIPE_BLENDFACTOR_ZERO) &&
+ (dstRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
+ dstRGB == PIPE_BLENDFACTOR_ONE) &&
+ (dstA == PIPE_BLENDFACTOR_ONE);
+}
+
+static boolean blend_discard_if_src_color_1(unsigned srcRGB, unsigned srcA,
+ unsigned dstRGB, unsigned dstA)
+{
+ /* If the blend equation is ADD or REVERSE_SUBTRACT,
+ * SRC_COLOR == (1,1,1), and the following state is set, the colorbuffer
+ * will not be changed.
+ * Notice that the dst factors are the src factors inverted. */
+ return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
+ srcRGB == PIPE_BLENDFACTOR_ZERO) &&
+ (srcA == PIPE_BLENDFACTOR_ZERO) &&
+ (dstRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
+ dstRGB == PIPE_BLENDFACTOR_ONE) &&
+ (dstA == PIPE_BLENDFACTOR_ONE);
+}
+
+static boolean blend_discard_if_src_alpha_color_0(unsigned srcRGB, unsigned srcA,
+ unsigned dstRGB, unsigned dstA)
+{
+ /* If the blend equation is ADD or REVERSE_SUBTRACT,
+ * SRC_ALPHA_COLOR == (0,0,0,0), and the following state is set,
+ * the colorbuffer will not be changed.
+ * Notice that the dst factors are the src factors inverted. */
+ return (srcRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
+ srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
+ srcRGB == PIPE_BLENDFACTOR_ZERO) &&
+ (srcA == PIPE_BLENDFACTOR_SRC_COLOR ||
+ srcA == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ srcA == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
+ srcA == PIPE_BLENDFACTOR_ZERO) &&
+ (dstRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
+ dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ dstRGB == PIPE_BLENDFACTOR_ONE) &&
+ (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
+ dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ dstA == PIPE_BLENDFACTOR_ONE);
+}
+
+static boolean blend_discard_if_src_alpha_color_1(unsigned srcRGB, unsigned srcA,
+ unsigned dstRGB, unsigned dstA)
+{
+ /* If the blend equation is ADD or REVERSE_SUBTRACT,
+ * SRC_ALPHA_COLOR == (1,1,1,1), and the following state is set,
+ * the colorbuffer will not be changed.
+ * Notice that the dst factors are the src factors inverted. */
+ return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
+ srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ srcRGB == PIPE_BLENDFACTOR_ZERO) &&
+ (srcA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
+ srcA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ srcA == PIPE_BLENDFACTOR_ZERO) &&
+ (dstRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
+ dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ dstRGB == PIPE_BLENDFACTOR_ONE) &&
+ (dstA == PIPE_BLENDFACTOR_SRC_COLOR ||
+ dstA == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ dstA == PIPE_BLENDFACTOR_ONE);
+}
+
/* Create a new blend state based on the CSO blend state.
*
* This encompasses alpha blending, logic/raster ops, and blend dithering. */
{
struct r300_blend_state* blend = CALLOC_STRUCT(r300_blend_state);
+ if (state->blend_enable)
{
- unsigned eqRGB = state->rgb_func;
- unsigned srcRGB = state->rgb_src_factor;
- unsigned dstRGB = state->rgb_dst_factor;
-
- unsigned eqA = state->alpha_func;
- unsigned srcA = state->alpha_src_factor;
- unsigned dstA = state->alpha_dst_factor;
-
- if (srcA != srcRGB ||
- dstA != dstRGB ||
- eqA != eqRGB) {
- blend->alpha_blend_control =
- r300_translate_blend_function(eqA) |
- (r300_translate_blend_factor(srcA) <<
- R300_SRC_BLEND_SHIFT) |
- (r300_translate_blend_factor(dstA) <<
- R300_DST_BLEND_SHIFT);
- blend->blend_control |= R300_ALPHA_BLEND_ENABLE |
- R300_SEPARATE_ALPHA_ENABLE;
- } else {
- blend->alpha_blend_control = R300_COMB_FCN_ADD_CLAMP |
- (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) |
- (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT);
- }
- }
- if (state->blend_enable) {
- /* XXX for now, always do separate alpha...
- * is it faster to do it with one reg? */
- blend->blend_control |= 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);
- } else {
- blend->blend_control =
- R300_COMB_FCN_ADD_CLAMP |
- (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) |
- (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT);
+ unsigned eqRGB = state->rgb_func;
+ unsigned srcRGB = state->rgb_src_factor;
+ unsigned dstRGB = state->rgb_dst_factor;
+
+ unsigned eqA = state->alpha_func;
+ unsigned srcA = state->alpha_src_factor;
+ unsigned dstA = state->alpha_dst_factor;
+
+ /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha,
+ * this is just the crappy D3D naming */
+ blend->blend_control = R300_ALPHA_BLEND_ENABLE |
+ r300_translate_blend_function(eqRGB) |
+ ( r300_translate_blend_factor(srcRGB) << R300_SRC_BLEND_SHIFT) |
+ ( r300_translate_blend_factor(dstRGB) << R300_DST_BLEND_SHIFT);
+
+ /* Optimization: some operations do not require the destination color.
+ *
+ * When SRC_ALPHA_SATURATE is used, colorbuffer reads must be enabled,
+ * otherwise blending gives incorrect results. It seems to be
+ * a hardware bug. */
+ if (eqRGB == PIPE_BLEND_MIN || eqA == PIPE_BLEND_MIN ||
+ eqRGB == PIPE_BLEND_MAX || eqA == PIPE_BLEND_MAX ||
+ dstRGB != PIPE_BLENDFACTOR_ZERO ||
+ dstA != PIPE_BLENDFACTOR_ZERO ||
+ srcRGB == PIPE_BLENDFACTOR_DST_COLOR ||
+ srcRGB == PIPE_BLENDFACTOR_DST_ALPHA ||
+ srcRGB == PIPE_BLENDFACTOR_INV_DST_COLOR ||
+ srcRGB == PIPE_BLENDFACTOR_INV_DST_ALPHA ||
+ srcA == PIPE_BLENDFACTOR_DST_COLOR ||
+ srcA == PIPE_BLENDFACTOR_DST_ALPHA ||
+ srcA == PIPE_BLENDFACTOR_INV_DST_COLOR ||
+ srcA == PIPE_BLENDFACTOR_INV_DST_ALPHA ||
+ srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE) {
+ /* Enable reading from the colorbuffer. */
+ blend->blend_control |= R300_READ_ENABLE;
+
+ if (r300_screen(r300_context(pipe)->context.screen)->caps->is_r500) {
+ /* Optimization: Depending on incoming pixels, we can
+ * conditionally disable the reading in hardware... */
+ if (eqRGB != PIPE_BLEND_MIN && eqA != PIPE_BLEND_MIN &&
+ eqRGB != PIPE_BLEND_MAX && eqA != PIPE_BLEND_MAX) {
+ /* Disable reading if SRC_ALPHA == 0. */
+ if ((dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ dstRGB == PIPE_BLENDFACTOR_ZERO) &&
+ (dstA == PIPE_BLENDFACTOR_SRC_COLOR ||
+ dstA == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ dstA == PIPE_BLENDFACTOR_ZERO)) {
+ blend->blend_control |= R500_SRC_ALPHA_0_NO_READ;
+ }
+
+ /* Disable reading if SRC_ALPHA == 1. */
+ if ((dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ dstRGB == PIPE_BLENDFACTOR_ZERO) &&
+ (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
+ dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
+ dstA == PIPE_BLENDFACTOR_ZERO)) {
+ blend->blend_control |= R500_SRC_ALPHA_1_NO_READ;
+ }
+ }
+ }
+ }
+
+ /* Optimization: discard pixels which don't change the colorbuffer.
+ *
+ * The code below is non-trivial and some math is involved.
+ *
+ * Discarding pixels must be disabled when FP16 AA is enabled.
+ * This is a hardware bug. Also, this implementation wouldn't work
+ * with FP blending enabled and equation clamping disabled.
+ *
+ * Equations other than ADD are rarely used and therefore won't be
+ * optimized. */
+ if ((eqRGB == PIPE_BLEND_ADD || eqRGB == PIPE_BLEND_REVERSE_SUBTRACT) &&
+ (eqA == PIPE_BLEND_ADD || eqA == PIPE_BLEND_REVERSE_SUBTRACT)) {
+ /* ADD: X+Y
+ * REVERSE_SUBTRACT: Y-X
+ *
+ * The idea is:
+ * If X = src*srcFactor = 0 and Y = dst*dstFactor = 1,
+ * then CB will not be changed.
+ *
+ * Given the srcFactor and dstFactor variables, we can derive
+ * what src and dst should be equal to and discard appropriate
+ * pixels.
+ */
+ if (blend_discard_if_src_alpha_0(srcRGB, srcA, dstRGB, dstA)) {
+ blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0;
+ } else if (blend_discard_if_src_alpha_1(srcRGB, srcA,
+ dstRGB, dstA)) {
+ blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1;
+ } else if (blend_discard_if_src_color_0(srcRGB, srcA,
+ dstRGB, dstA)) {
+ blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0;
+ } else if (blend_discard_if_src_color_1(srcRGB, srcA,
+ dstRGB, dstA)) {
+ blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1;
+ } else if (blend_discard_if_src_alpha_color_0(srcRGB, srcA,
+ dstRGB, dstA)) {
+ blend->blend_control |=
+ R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0;
+ } else if (blend_discard_if_src_alpha_color_1(srcRGB, srcA,
+ dstRGB, dstA)) {
+ blend->blend_control |=
+ R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1;
+ }
+ }
+
+ /* separate alpha */
+ if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) {
+ blend->blend_control |= R300_SEPARATE_ALPHA_ENABLE;
+ blend->alpha_blend_control =
+ r300_translate_blend_function(eqA) |
+ (r300_translate_blend_factor(srcA) << R300_SRC_BLEND_SHIFT) |
+ (r300_translate_blend_factor(dstA) << R300_DST_BLEND_SHIFT);
+ }
}
/* PIPE_LOGICOP_* don't need to be translated, fortunately. */
(state->logicop_func) << R300_RB3D_ROPCNTL_ROP_SHIFT;
}
+ /* Color Channel Mask */
+ if (state->colormask & PIPE_MASK_R) {
+ blend->color_channel_mask |= RB3D_COLOR_CHANNEL_MASK_RED_MASK0;
+ }
+ if (state->colormask & PIPE_MASK_G) {
+ blend->color_channel_mask |= RB3D_COLOR_CHANNEL_MASK_GREEN_MASK0;
+ }
+ if (state->colormask & PIPE_MASK_B) {
+ blend->color_channel_mask |= RB3D_COLOR_CHANNEL_MASK_BLUE_MASK0;
+ }
+ if (state->colormask & PIPE_MASK_A) {
+ blend->color_channel_mask |= RB3D_COLOR_CHANNEL_MASK_ALPHA_MASK0;
+ }
+
if (state->dither) {
blend->dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT |
R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT;
FREE(state);
}
+/* Convert float to 10bit integer */
+static unsigned float_to_fixed10(float f)
+{
+ return CLAMP((unsigned)(f * 1023.9f), 0, 1023);
+}
+
/* 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;
+ union util_color uc;
- 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, &uc);
+ r300->blend_color_state->blend_color = uc.ui;
- 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);
+ /* XXX if FP16 blending is enabled, we should use the FP16 format */
+ r300->blend_color_state->blend_color_red_alpha =
+ float_to_fixed10(color->color[0]) |
+ (float_to_fixed10(color->color[3]) << 16);
+ r300->blend_color_state->blend_color_green_blue =
+ float_to_fixed10(color->color[2]) |
+ (float_to_fixed10(color->color[1]) << 16);
r300->dirty_state |= R300_NEW_BLEND_COLOR;
}
}
}
-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.
r300_create_dsa_state(struct pipe_context* pipe,
const struct pipe_depth_stencil_alpha_state* state)
{
+ struct r300_capabilities *caps =
+ r300_screen(r300_context(pipe)->context.screen)->caps;
struct r300_dsa_state* dsa = CALLOC_STRUCT(r300_dsa_state);
/* Depth test setup. */
(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);
+ /* XXX it seems r3xx doesn't support STENCILREFMASK_BF */
+ if (caps->is_r500)
+ {
+ dsa->z_buffer_control |= R500_STENCIL_REFMASK_FRONT_BACK;
+ dsa->stencil_ref_bf = (state->stencil[1].ref_value) |
+ (state->stencil[1].valuemask <<
+ R300_STENCILMASK_SHIFT) |
+ (state->stencil[1].writemask <<
+ R300_STENCILWRITEMASK_SHIFT);
+ }
}
}
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);
+
+ /* XXX figure out why emitting 10bit alpha ref causes CS to dump */
+ /* always use 8bit alpha ref */
+ dsa->alpha_function |= float_to_ubyte(state->alpha.ref_value);
+
+ if (caps->is_r500)
+ dsa->alpha_function |= R500_FG_ALPHA_FUNC_8BIT;
}
return (void*)dsa;
FREE(state);
}
-static void r300_set_edgeflags(struct pipe_context* pipe,
- const unsigned* bitfield)
+static void r300_set_scissor_regs(const struct pipe_scissor_state* state,
+ struct r300_scissor_regs *scissor,
+ boolean is_r500)
{
- /* XXX you know it's bad when i915 has this blank too */
- /* XXX and even worse, I have no idea WTF the bitfield is */
+ if (is_r500) {
+ scissor->top_left =
+ (state->minx << R300_SCISSORS_X_SHIFT) |
+ (state->miny << R300_SCISSORS_Y_SHIFT);
+ 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. */
+ scissor->top_left =
+ ((state->minx + 1440) << R300_SCISSORS_X_SHIFT) |
+ ((state->miny + 1440) << R300_SCISSORS_Y_SHIFT);
+ scissor->bottom_right =
+ (((state->maxx - 1) + 1440) << R300_SCISSORS_X_SHIFT) |
+ (((state->maxy - 1) + 1440) << R300_SCISSORS_Y_SHIFT);
+ }
+
+ scissor->empty_area = state->minx >= state->maxx ||
+ state->miny >= state->maxy;
}
static void
const struct pipe_framebuffer_state* state)
{
struct r300_context* r300 = r300_context(pipe);
+ struct pipe_scissor_state scissor;
- draw_flush(r300->draw);
+ if (r300->draw) {
+ draw_flush(r300->draw);
+ }
r300->framebuffer_state = *state;
+ scissor.minx = scissor.miny = 0;
+ scissor.maxx = state->width;
+ scissor.maxy = state->height;
+ r300_set_scissor_regs(&scissor, &r300->scissor_state->framebuffer,
+ r300_screen(r300->context.screen)->caps->is_r500);
+
+ /* Don't rely on the order of states being set for the first time. */
+ if (!r300->rs_state || !r300->rs_state->rs.scissor) {
+ r300->dirty_state |= R300_NEW_SCISSOR;
+ }
r300->dirty_state |= R300_NEW_FRAMEBUFFERS;
+ r300->dirty_state |= R300_NEW_BLEND;
+ r300->dirty_state |= R300_NEW_DSA;
}
/* Create fragment shader state. */
fs->state.tokens = tgsi_dup_tokens(shader->tokens);
tgsi_scan_shader(shader->tokens, &fs->info);
+ r300_shader_read_fs_inputs(&fs->info, &fs->inputs);
return (void*)fs;
}
if (fs == NULL) {
r300->fs = NULL;
return;
- } else if (!fs->translated) {
- r300_translate_fragment_shader(r300, fs);
}
r300->fs = fs;
+ r300_pick_fragment_shader(r300);
+
+ if (r300->vs && r300_vertex_shader_setup_wpos(r300)) {
+ r300->dirty_state |= R300_NEW_VERTEX_FORMAT;
+ }
- r300->dirty_state |= R300_NEW_FRAGMENT_SHADER;
+ r300->dirty_state |= R300_NEW_FRAGMENT_SHADER | R300_NEW_FRAGMENT_SHADER_CONSTANTS;
}
/* 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);
+ struct r300_fragment_shader_code *tmp, *ptr = fs->first;
+
+ while (ptr) {
+ tmp = ptr;
+ ptr = ptr->next;
+ rc_constants_destroy(&tmp->code.constants);
+ FREE(tmp);
+ }
+ FREE((void*)fs->state.tokens);
FREE(shader);
}
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) |
rs->line_control = pack_float_16_6x(state->line_width) |
R300_GA_LINE_CNTL_END_TYPE_COMP;
+ /* XXX I think there is something wrong with the polygon mode,
+ * XXX re-test when r300g is in a better shape */
+
+ /* Enable polygon mode */
+ if (state->fill_cw != PIPE_POLYGON_MODE_FILL ||
+ state->fill_ccw != PIPE_POLYGON_MODE_FILL) {
+ rs->polygon_mode = R300_GA_POLY_MODE_DUAL;
+ }
+
/* 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;
+ /* Polygon offset */
if (state->offset_cw) {
rs->polygon_offset_enable |= R300_FRONT_ENABLE;
}
if (state->offset_ccw) {
rs->polygon_offset_enable |= R300_BACK_ENABLE;
}
+
+ /* Polygon mode */
+ if (rs->polygon_mode) {
+ rs->polygon_mode |=
+ r300_translate_polygon_mode_front(state->fill_cw);
+ rs->polygon_mode |=
+ r300_translate_polygon_mode_back(state->fill_ccw);
+ }
} else {
rs->cull_mode = R300_FRONT_FACE_CCW;
+ /* Polygon offset */
if (state->offset_ccw) {
rs->polygon_offset_enable |= R300_FRONT_ENABLE;
}
if (state->offset_cw) {
rs->polygon_offset_enable |= R300_BACK_ENABLE;
}
+
+ /* Polygon mode */
+ if (rs->polygon_mode) {
+ rs->polygon_mode |=
+ r300_translate_polygon_mode_front(state->fill_ccw);
+ rs->polygon_mode |=
+ r300_translate_polygon_mode_back(state->fill_cw);
+ }
}
if (state->front_winding & state->cull_mode) {
rs->cull_mode |= R300_CULL_FRONT;
rs->color_control = R300_SHADE_MODEL_SMOOTH;
}
- if (!state->flatshade_first) {
- rs->color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST;
- }
-
return (void*)rs;
}
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);
+ if (r300->draw) {
+ draw_flush(r300->draw);
+ draw_set_rasterizer_state(r300->draw, &rs->rs);
+ }
r300->rs_state = rs;
+ /* XXX Clean these up when we move to atom emits */
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;
+ if (r300->fs && r300->fs->inputs.wpos != ATTR_UNUSED) {
+ r300->dirty_state |= R300_NEW_FRAGMENT_SHADER_CONSTANTS;
+ }
}
/* Free rasterizer state. */
struct r300_context* r300 = r300_context(pipe);
struct r300_sampler_state* sampler = CALLOC_STRUCT(r300_sampler_state);
int lod_bias;
+ union util_color uc;
+
+ sampler->state = *state;
sampler->filter0 |=
(r300_translate_wrap(state->wrap_s) << R300_TX_WRAP_S_SHIFT) |
sampler->filter0 |= r300_translate_tex_filters(state->min_img_filter,
state->mag_img_filter,
- state->min_mip_filter);
+ state->min_mip_filter,
+ state->max_anisotropy > 1.0);
+
+ /* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
+ /* We must pass these to the emit function to clamp them properly. */
+ sampler->min_lod = MAX2((unsigned)state->min_lod, 0);
+ sampler->max_lod = MAX2((unsigned)ceilf(state->max_lod), 0);
lod_bias = CLAMP((int)(state->lod_bias * 32), -(1 << 9), (1 << 9) - 1);
sampler->filter1 |= r300_anisotropy(state->max_anisotropy);
- util_pack_color(state->border_color, PIPE_FORMAT_A8R8G8B8_UNORM,
- &sampler->border_color);
+ util_pack_color(state->border_color, PIPE_FORMAT_A8R8G8B8_UNORM, &uc);
+ sampler->border_color = uc.ui;
/* R500-specific fixups and optimizations */
if (r300_screen(r300->context.screen)->caps->is_r500) {
}
r300->sampler_count = count;
+
+ /* Pick a fragment shader based on the texture compare state. */
+ if (r300->fs && (r300->dirty_state & R300_ANY_NEW_SAMPLERS)) {
+ if (r300_pick_fragment_shader(r300)) {
+ r300->dirty_state |= R300_NEW_FRAGMENT_SHADER |
+ R300_NEW_FRAGMENT_SHADER_CONSTANTS;
+ }
+ }
+}
+
+static void r300_lacks_vertex_textures(struct pipe_context* pipe,
+ unsigned count,
+ void** states)
+{
}
static void r300_delete_sampler_state(struct pipe_context* pipe, void* state)
struct pipe_texture** texture)
{
struct r300_context* r300 = r300_context(pipe);
+ boolean is_r500 = r300_screen(r300->context.screen)->caps->is_r500;
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);
+
+ /* R300-specific - set the texrect factor in a fragment shader */
+ if (!is_r500 && r300->textures[i]->is_npot) {
+ /* XXX It would be nice to re-emit just 1 constant,
+ * XXX not all of them */
+ r300->dirty_state |= R300_NEW_FRAGMENT_SHADER_CONSTANTS;
+ }
}
}
{
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_set_scissor_regs(state, &r300->scissor_state->scissor,
+ r300_screen(r300->context.screen)->caps->is_r500);
- r300->dirty_state |= R300_NEW_SCISSOR;
+ /* Don't rely on the order of states being set for the first time. */
+ if (!r300->rs_state || r300->rs_state->rs.scissor) {
+ r300->dirty_state |= R300_NEW_SCISSOR;
+ }
}
static void r300_set_viewport_state(struct pipe_context* pipe,
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;
}
}
r300->dirty_state |= R300_NEW_VIEWPORT;
+ if (r300->fs && r300->fs->inputs.wpos != ATTR_UNUSED) {
+ r300->dirty_state |= R300_NEW_FRAGMENT_SHADER_CONSTANTS;
+ }
}
static void r300_set_vertex_buffers(struct pipe_context* pipe,
{
struct r300_context* r300 = r300_context(pipe);
- memcpy(r300->vertex_buffers, buffers,
+ memcpy(r300->vertex_buffer, buffers,
sizeof(struct pipe_vertex_buffer) * count);
-
r300->vertex_buffer_count = count;
- draw_flush(r300->draw);
- draw_set_vertex_buffers(r300->draw, count, buffers);
+ if (r300->draw) {
+ draw_flush(r300->draw);
+ draw_set_vertex_buffers(r300->draw, count, buffers);
+ }
+
+ r300->dirty_state |= R300_NEW_VERTEX_FORMAT;
}
static void r300_set_vertex_elements(struct pipe_context* pipe,
{
struct r300_context* r300 = r300_context(pipe);
- draw_flush(r300->draw);
- draw_set_vertex_elements(r300->draw, count, elements);
+ memcpy(r300->vertex_element,
+ elements,
+ sizeof(struct pipe_vertex_element) * count);
+ r300->vertex_element_count = count;
+
+ if (r300->draw) {
+ draw_flush(r300->draw);
+ draw_set_vertex_elements(r300->draw, count, elements);
+ }
}
static void* r300_create_vs_state(struct pipe_context* pipe,
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);
{
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;
r300_translate_vertex_shader(r300, vs);
}
- draw_bind_vertex_shader(r300->draw, vs->draw);
r300->vs = vs;
- r300->dirty_state |= R300_NEW_VERTEX_SHADER;
+ if (r300->fs) {
+ r300_vertex_shader_setup_wpos(r300);
+ }
+
+ r300->dirty_state |=
+ R300_NEW_VERTEX_SHADER | R300_NEW_VERTEX_SHADER_CONSTANTS |
+ R300_NEW_VERTEX_FORMAT;
} else {
+ draw_flush(r300->draw);
draw_bind_vertex_shader(r300->draw,
(struct draw_vertex_shader*)shader);
}
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((void*)vs->state.tokens);
FREE(shader);
} else {
draw_delete_vertex_shader(r300->draw,
}
}
+static void r300_set_constant_buffer(struct pipe_context *pipe,
+ uint shader, uint index,
+ const struct pipe_constant_buffer *buf)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ void *mapped;
+
+ if (buf == NULL || buf->buffer->size == 0 ||
+ (mapped = pipe_buffer_map(pipe->screen, buf->buffer, PIPE_BUFFER_USAGE_CPU_READ)) == NULL)
+ {
+ r300->shader_constants[shader].count = 0;
+ return;
+ }
+
+ assert((buf->buffer->size % 4 * sizeof(float)) == 0);
+ memcpy(r300->shader_constants[shader].constants, mapped, buf->buffer->size);
+ r300->shader_constants[shader].count = buf->buffer->size / (4 * sizeof(float));
+ pipe_buffer_unmap(pipe->screen, buf->buffer);
+
+ if (shader == PIPE_SHADER_VERTEX)
+ r300->dirty_state |= R300_NEW_VERTEX_SHADER_CONSTANTS;
+ else if (shader == PIPE_SHADER_FRAGMENT)
+ r300->dirty_state |= R300_NEW_FRAGMENT_SHADER_CONSTANTS;
+}
+
void r300_init_state_functions(struct r300_context* r300)
{
r300->context.create_blend_state = r300_create_blend_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.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.bind_fragment_sampler_states = r300_bind_sampler_states;
+ r300->context.bind_vertex_sampler_states = r300_lacks_vertex_textures;
r300->context.delete_sampler_state = r300_delete_sampler_state;
- r300->context.set_sampler_textures = r300_set_sampler_textures;
+ r300->context.set_fragment_sampler_textures = r300_set_sampler_textures;
r300->context.set_scissor_state = r300_set_scissor_state;
projects / mesa.git / blobdiff