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Diffstat (limited to 'src/gallium/drivers/r300/r300_state.c')
-rw-r--r--src/gallium/drivers/r300/r300_state.c285
1 files changed, 184 insertions, 101 deletions
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index a3e1bc621a5..7505353953f 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -49,46 +49,49 @@ static void* r300_create_blend_state(struct pipe_context* pipe,
{
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 */
+ 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)
+ blend->blend_control |= R300_READ_ENABLE;
+
+ /* XXX implement the optimization with DISCARD_SRC_PIXELS*/
+ /* XXX implement the optimization with SRC_ALPHA_?_NO_READ */
+
+ /* 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. */
@@ -97,6 +100,20 @@ static void* r300_create_blend_state(struct pipe_context* pipe,
(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;
@@ -122,25 +139,29 @@ static void r300_delete_blend_state(struct pipe_context* pipe,
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;
-
- 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);
+ /* 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;
}
@@ -159,31 +180,6 @@ static void r300_set_clip_state(struct pipe_context* pipe,
}
}
-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.
@@ -193,6 +189,8 @@ static void*
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. */
@@ -237,9 +235,16 @@ static void*
(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);
+ }
}
}
@@ -248,8 +253,13 @@ static void*
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;
@@ -285,7 +295,9 @@ static void
{
struct r300_context* r300 = r300_context(pipe);
- draw_flush(r300->draw);
+ if (r300->draw) {
+ draw_flush(r300->draw);
+ }
r300->framebuffer_state = *state;
@@ -324,7 +336,7 @@ static void r300_bind_fs_state(struct pipe_context* pipe, void* shader)
r300->fs = fs;
- r300->dirty_state |= R300_NEW_FRAGMENT_SHADER;
+ r300->dirty_state |= R300_NEW_FRAGMENT_SHADER | R300_NEW_FRAGMENT_SHADER_CONSTANTS;
}
/* Delete fragment shader state. */
@@ -386,25 +398,52 @@ static void* r300_create_rs_state(struct pipe_context* pipe,
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;
@@ -448,10 +487,13 @@ 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);
+ 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;
@@ -481,6 +523,11 @@ static void*
state->mag_img_filter,
state->min_mip_filter);
+ /* 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 |= lod_bias << R300_LOD_BIAS_SHIFT;
@@ -529,18 +576,28 @@ static void r300_set_sampler_textures(struct pipe_context* pipe,
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;
}
+
+ r300->context.flush(&r300->context, 0, NULL);
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;
+ }
}
}
@@ -589,17 +646,14 @@ 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;
}
@@ -625,13 +679,16 @@ 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,
@@ -640,8 +697,15 @@ 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,
@@ -657,9 +721,6 @@ 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);
@@ -670,8 +731,6 @@ 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;
@@ -682,10 +741,10 @@ static void r300_bind_vs_state(struct pipe_context* pipe, void* 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;
+ r300->dirty_state |= R300_NEW_VERTEX_SHADER | R300_NEW_VERTEX_SHADER_CONSTANTS;
} else {
+ draw_flush(r300->draw);
draw_bind_vertex_shader(r300->draw,
(struct draw_vertex_shader*)shader);
}
@@ -699,7 +758,6 @@ static void r300_delete_vs_state(struct pipe_context* pipe, void* 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((void*)vs->state.tokens);
FREE(shader);
} else {
@@ -708,6 +766,31 @@ static void r300_delete_vs_state(struct pipe_context* pipe, void* shader)
}
}
+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;
@@ -739,10 +822,10 @@ void r300_init_state_functions(struct r300_context* r300)
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.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;