#include "main/glheader.h"
#include "main/macros.h"
#include "shader/prog_instruction.h"
-#include "st_atom.h"
#include "st_context.h"
+#include "st_atom.h"
#include "st_cb_accum.h"
#include "st_cb_clear.h"
#include "st_cb_fbo.h"
#include "st_mesa_to_tgsi.h"
#include "pipe/p_context.h"
+#include "pipe/p_inlines.h"
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
-#include "pipe/p_winsys.h"
#include "util/u_pack_color.h"
#include "util/u_simple_shaders.h"
#include "util/u_draw_quad.h"
#include "cso_cache/cso_context.h"
-/* XXX for testing draw module vertex passthrough: */
-/* XXX this hack is broken now */
-#define TEST_DRAW_PASSTHROUGH 0
+void
+st_init_clear(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+
+ /* rasterizer state: bypass clipping */
+ memset(&st->clear.raster, 0, sizeof(st->clear.raster));
+ st->clear.raster.gl_rasterization_rules = 1;
+ st->clear.raster.bypass_clipping = 1;
+
+ /* viewport state: identity since we're drawing in window coords */
+ st->clear.viewport.scale[0] = 1.0;
+ st->clear.viewport.scale[1] = 1.0;
+ st->clear.viewport.scale[2] = 1.0;
+ st->clear.viewport.scale[3] = 1.0;
+ st->clear.viewport.translate[0] = 0.0;
+ st->clear.viewport.translate[1] = 0.0;
+ st->clear.viewport.translate[2] = 0.0;
+ st->clear.viewport.translate[3] = 0.0;
+
+ /* fragment shader state: color pass-through program */
+ st->clear.fs =
+ util_make_fragment_passthrough_shader(pipe, &st->clear.frag_shader);
+
+ /* vertex shader state: color/position pass-through */
+ {
+ const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+ TGSI_SEMANTIC_COLOR };
+ const uint semantic_indexes[] = { 0, 0 };
+ st->clear.vs = util_make_vertex_passthrough_shader(pipe, 2,
+ semantic_names,
+ semantic_indexes,
+ &st->clear.vert_shader);
+ }
+}
void
{
struct pipe_context *pipe = st->pipe;
+ if (st->clear.vert_shader.tokens) {
+ FREE((void *) st->clear.vert_shader.tokens);
+ st->clear.vert_shader.tokens = NULL;
+ }
+
+ if (st->clear.frag_shader.tokens) {
+ FREE((void *) st->clear.frag_shader.tokens);
+ st->clear.frag_shader.tokens = NULL;
+ }
+
if (st->clear.fs) {
- pipe->delete_fs_state(pipe, st->clear.fs);
+ cso_delete_fragment_shader(st->cso_context, st->clear.fs);
st->clear.fs = NULL;
}
if (st->clear.vs) {
- pipe->delete_vs_state(pipe, st->clear.vs);
+ cso_delete_vertex_shader(st->cso_context, st->clear.vs);
st->clear.vs = NULL;
}
if (st->clear.vbuf) {
- pipe->winsys->buffer_destroy(pipe->winsys, st->clear.vbuf);
+ pipe_buffer_reference(pipe->screen, &st->clear.vbuf, NULL);
st->clear.vbuf = NULL;
}
}
{
struct st_context *st = ctx->st;
struct pipe_context *pipe = st->pipe;
+ const GLuint max_slots = 1024 / sizeof(st->clear.vertices);
GLuint i;
void *buf;
+ if (st->clear.vbuf_slot >= max_slots) {
+ pipe_buffer_reference(pipe->screen, &st->clear.vbuf, NULL);
+ st->clear.vbuf_slot = 0;
+ }
+
if (!st->clear.vbuf) {
- st->clear.vbuf = pipe->winsys->buffer_create(pipe->winsys, 32,
- PIPE_BUFFER_USAGE_VERTEX,
- sizeof(st->clear.vertices));
+ st->clear.vbuf = pipe_buffer_create(pipe->screen, 32, PIPE_BUFFER_USAGE_VERTEX,
+ max_slots * sizeof(st->clear.vertices));
}
/* positions */
}
/* put vertex data into vbuf */
- buf = pipe->winsys->buffer_map(pipe->winsys, st->clear.vbuf,
- PIPE_BUFFER_USAGE_CPU_WRITE);
- memcpy(buf, st->clear.vertices, sizeof(st->clear.vertices));
- pipe->winsys->buffer_unmap(pipe->winsys, st->clear.vbuf);
+ buf = pipe_buffer_map(pipe->screen, st->clear.vbuf, PIPE_BUFFER_USAGE_CPU_WRITE);
+
+ memcpy((char *)buf + st->clear.vbuf_slot * sizeof(st->clear.vertices),
+ st->clear.vertices,
+ sizeof(st->clear.vertices));
+
+ pipe_buffer_unmap(pipe->screen, st->clear.vbuf);
/* draw */
- util_draw_vertex_buffer(pipe, st->clear.vbuf,
+ util_draw_vertex_buffer(pipe,
+ st->clear.vbuf,
+ st->clear.vbuf_slot * sizeof(st->clear.vertices),
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
2); /* attribs/vert */
+
+ /* Increment slot */
+ st->clear.vbuf_slot++;
}
GLboolean color, GLboolean depth, GLboolean stencil)
{
struct st_context *st = ctx->st;
- struct pipe_context *pipe = st->pipe;
- const GLfloat x0 = ctx->DrawBuffer->_Xmin;
- const GLfloat x1 = ctx->DrawBuffer->_Xmax;
+ const GLfloat x0 = (GLfloat) ctx->DrawBuffer->_Xmin;
+ const GLfloat x1 = (GLfloat) ctx->DrawBuffer->_Xmax;
GLfloat y0, y1;
if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
- y0 = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymax;
- y1 = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymin;
+ y0 = (GLfloat) (ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymax);
+ y1 = (GLfloat) (ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymin);
}
else {
- y0 = ctx->DrawBuffer->_Ymin;
- y1 = ctx->DrawBuffer->_Ymax;
+ y0 = (GLfloat) ctx->DrawBuffer->_Ymin;
+ y1 = (GLfloat) ctx->DrawBuffer->_Ymax;
}
/*
cso_save_depth_stencil_alpha(st->cso_context);
cso_save_rasterizer(st->cso_context);
cso_save_viewport(st->cso_context);
+ cso_save_fragment_shader(st->cso_context);
+ cso_save_vertex_shader(st->cso_context);
/* blend state: RGBA masking */
{
depth_stencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
depth_stencil.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE;
depth_stencil.stencil[0].ref_value = ctx->Stencil.Clear;
- depth_stencil.stencil[0].value_mask = 0xff;
- depth_stencil.stencil[0].write_mask = ctx->Stencil.WriteMask[0] & 0xff;
+ depth_stencil.stencil[0].valuemask = 0xff;
+ depth_stencil.stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff;
}
cso_set_depth_stencil_alpha(st->cso_context, &depth_stencil);
}
- /* rasterizer state: bypass clipping */
- {
- struct pipe_rasterizer_state raster;
- memset(&raster, 0, sizeof(raster));
- raster.bypass_clipping = 1;
-#if TEST_DRAW_PASSTHROUGH
- raster.bypass_vs = 1;
-#endif
- cso_set_rasterizer(st->cso_context, &raster);
- }
-
- /* fragment shader state: color pass-through program */
- if (!st->clear.fs) {
- st->clear.fs = util_make_fragment_passthrough_shader(pipe, &st->clear.frag_shader);
- }
- pipe->bind_fs_state(pipe, st->clear.fs);
-
-
-#if !TEST_DRAW_PASSTHROUGH
- /* vertex shader state: color/position pass-through */
- if (!st->clear.vs) {
- const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
- TGSI_SEMANTIC_COLOR };
- const uint semantic_indexes[] = { 0, 0 };
- st->clear.vs = util_make_vertex_passthrough_shader(pipe, 2,
- semantic_names,
- semantic_indexes,
- &st->clear.vert_shader);
- }
- pipe->bind_vs_state(pipe, st->clear.vs);
-#endif
+ cso_set_rasterizer(st->cso_context, &st->clear.raster);
+ cso_set_viewport(st->cso_context, &st->clear.viewport);
-#if !TEST_DRAW_PASSTHROUGH
- /* viewport state: viewport matching window dims */
- {
- const float width = ctx->DrawBuffer->Width;
- const float height = ctx->DrawBuffer->Height;
- struct pipe_viewport_state vp;
- vp.scale[0] = 0.5 * width;
- vp.scale[1] = -0.5 * height;
- vp.scale[2] = 1.0;
- vp.scale[3] = 1.0;
- vp.translate[0] = 0.5 * width;
- vp.translate[1] = 0.5 * height;
- vp.translate[2] = 0.0;
- vp.translate[3] = 0.0;
- cso_set_viewport(st->cso_context, &vp);
- }
-#endif
+ cso_set_fragment_shader_handle(st->cso_context, st->clear.fs);
+ cso_set_vertex_shader_handle(st->cso_context, st->clear.vs);
/* draw quad matching scissor rect (XXX verify coord round-off) */
- draw_quad(ctx, x0, y0, x1, y1, ctx->Depth.Clear, ctx->Color.ClearColor);
+ draw_quad(ctx, x0, y0, x1, y1, (GLfloat) ctx->Depth.Clear, ctx->Color.ClearColor);
/* Restore pipe state */
cso_restore_blend(st->cso_context);
cso_restore_depth_stencil_alpha(st->cso_context);
cso_restore_rasterizer(st->cso_context);
cso_restore_viewport(st->cso_context);
- /* these don't go through cso yet */
- pipe->bind_fs_state(pipe, st->fp->driver_shader);
- pipe->bind_vs_state(pipe, st->vp->driver_shader);
+ cso_restore_fragment_shader(st->cso_context);
+ cso_restore_vertex_shader(st->cso_context);
}
static void
clear_color_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
+ struct st_renderbuffer *strb = st_renderbuffer(rb);
+
+ if (!strb->surface)
+ return;
+
if (check_clear_color_with_quad( ctx, rb )) {
/* masking or scissoring */
clear_with_quad(ctx, GL_TRUE, GL_FALSE, GL_FALSE);
}
else {
/* clear whole buffer w/out masking */
- struct st_renderbuffer *strb = st_renderbuffer(rb);
uint clearValue;
- util_pack_color(ctx->Color.ClearColor, strb->surface->format, &clearValue);
+ /* NOTE: we always pass the clear color as PIPE_FORMAT_A8R8G8B8_UNORM
+ * at this time!
+ */
+ util_pack_color(ctx->Color.ClearColor, PIPE_FORMAT_A8R8G8B8_UNORM, &clearValue);
ctx->st->pipe->clear(ctx->st->pipe, strb->surface, clearValue);
}
}
static void
clear_depth_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
+ struct st_renderbuffer *strb = st_renderbuffer(rb);
+
+ if (!strb->surface)
+ return;
+
if (check_clear_depth_with_quad(ctx, rb)) {
/* scissoring or we have a combined depth/stencil buffer */
clear_with_quad(ctx, GL_FALSE, GL_TRUE, GL_FALSE);
}
else {
- struct st_renderbuffer *strb = st_renderbuffer(rb);
-
/* simple clear of whole buffer */
uint clearValue = util_pack_z(strb->surface->format, ctx->Depth.Clear);
ctx->st->pipe->clear(ctx->st->pipe, strb->surface, clearValue);
static void
clear_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
+ struct st_renderbuffer *strb = st_renderbuffer(rb);
+
+ if (!strb->surface)
+ return;
+
if (check_clear_stencil_with_quad(ctx, rb)) {
/* masking or scissoring or combined depth/stencil buffer */
clear_with_quad(ctx, GL_FALSE, GL_FALSE, GL_TRUE);
}
else {
- struct st_renderbuffer *strb = st_renderbuffer(rb);
-
/* simple clear of whole buffer */
GLuint clearValue = ctx->Stencil.Clear;
static void
clear_depth_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
+ struct st_renderbuffer *strb = st_renderbuffer(rb);
+
+ if (!strb->surface)
+ return;
if (check_clear_depth_stencil_with_quad(ctx, rb)) {
/* masking or scissoring */
clear_with_quad(ctx, GL_FALSE, GL_TRUE, GL_TRUE);
}
else {
- struct st_renderbuffer *strb = st_renderbuffer(rb);
-
/* clear whole buffer w/out masking */
GLuint clearValue = util_pack_z(strb->surface->format, ctx->Depth.Clear);
}
+void st_flush_clear( struct st_context *st )
+{
+ /* Release vertex buffer to avoid synchronous rendering if we were
+ * to map it in the next frame.
+ */
+ pipe_buffer_reference(st->pipe->screen, &st->clear.vbuf, NULL);
+ st->clear.vbuf_slot = 0;
+}
+
+
/**
* Called via ctx->Driver.Clear()
projects / mesa.git / blobdiff