#include "st_cb_accum.h"
#include "st_cb_clear.h"
#include "st_cb_fbo.h"
-#include "st_draw.h"
#include "st_program.h"
-#include "st_public.h"
-#include "st_mesa_to_tgsi.h"
-#include "st_inlines.h"
#include "pipe/p_context.h"
-#include "pipe/p_inlines.h"
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
-#include "util/u_pack_color.h"
+#include "util/u_format.h"
+#include "util/u_inlines.h"
#include "util/u_simple_shaders.h"
#include "util/u_draw_quad.h"
#include "cso_cache/cso_context.h"
+/**
+ * Do per-context initialization for glClear.
+ */
void
st_init_clear(struct st_context *st)
{
struct pipe_context *pipe = st->pipe;
- memset(&st->clear.raster, 0, sizeof(st->clear.raster));
- st->clear.raster.gl_rasterization_rules = 1;
+ memset(&st->clear, 0, sizeof(st->clear));
- /* rasterizer state: bypass vertex shader, clipping and viewport */
- st->clear.raster.bypass_vs_clip_and_viewport = 1;
+ st->clear.raster.gl_rasterization_rules = 1;
/* fragment shader state: color pass-through program */
- st->clear.fs =
- util_make_fragment_passthrough_shader(pipe);
+ st->clear.fs = util_make_fragment_passthrough_shader(pipe);
/* vertex shader state: color/position pass-through */
{
}
+/**
+ * Free per-context state for glClear.
+ */
void
st_destroy_clear(struct st_context *st)
{
st->clear.vs = NULL;
}
if (st->clear.vbuf) {
- pipe_buffer_reference(&st->clear.vbuf, NULL);
+ pipe_resource_reference(&st->clear.vbuf, NULL);
st->clear.vbuf = NULL;
}
}
/**
* Draw a screen-aligned quadrilateral.
- * Coords are window coords with y=0=bottom. These will be passed
- * through unmodified to the rasterizer as we have set
- * rasterizer->bypass_vs_clip_and_viewport.
+ * Coords are clip coords with y=0=bottom.
*/
static void
-draw_quad(GLcontext *ctx,
+draw_quad(struct st_context *st,
float x0, float y0, float x1, float y1, GLfloat z,
const GLfloat color[4])
{
- struct st_context *st = ctx->st;
struct pipe_context *pipe = st->pipe;
/* XXX: Need to improve buffer_write to allow NO_WAIT (as well as
GLuint i;
if (st->clear.vbuf_slot >= max_slots) {
- pipe_buffer_reference(&st->clear.vbuf, NULL);
+ pipe_resource_reference(&st->clear.vbuf, NULL);
st->clear.vbuf_slot = 0;
}
if (!st->clear.vbuf) {
- st->clear.vbuf = pipe_buffer_create(pipe->screen, 32, PIPE_BUFFER_USAGE_VERTEX,
+ st->clear.vbuf = pipe_buffer_create(pipe->screen,
+ PIPE_BIND_VERTEX_BUFFER,
max_slots * sizeof(st->clear.vertices));
}
}
/* put vertex data into vbuf */
- st_no_flush_pipe_buffer_write(st, st->clear.vbuf,
- st->clear.vbuf_slot * sizeof(st->clear.vertices),
- sizeof(st->clear.vertices),
- st->clear.vertices);
+ pipe_buffer_write_nooverlap(st->pipe, st->clear.vbuf,
+ st->clear.vbuf_slot
+ * sizeof(st->clear.vertices),
+ sizeof(st->clear.vertices),
+ st->clear.vertices);
/* draw */
util_draw_vertex_buffer(pipe,
clear_with_quad(GLcontext *ctx,
GLboolean color, GLboolean depth, GLboolean stencil)
{
- struct st_context *st = ctx->st;
- 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 = (GLfloat) (ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymax);
- y1 = (GLfloat) (ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymin);
- }
- else {
- y0 = (GLfloat) ctx->DrawBuffer->_Ymin;
- y1 = (GLfloat) ctx->DrawBuffer->_Ymax;
- }
+ struct st_context *st = st_context(ctx);
+ const struct gl_framebuffer *fb = ctx->DrawBuffer;
+ const GLfloat fb_width = (GLfloat) fb->Width;
+ const GLfloat fb_height = (GLfloat) fb->Height;
+ const GLfloat x0 = (GLfloat) ctx->DrawBuffer->_Xmin / fb_width * 2.0f - 1.0f;
+ const GLfloat x1 = (GLfloat) ctx->DrawBuffer->_Xmax / fb_width * 2.0f - 1.0f;
+ const GLfloat y0 = (GLfloat) ctx->DrawBuffer->_Ymin / fb_height * 2.0f - 1.0f;
+ const GLfloat y1 = (GLfloat) ctx->DrawBuffer->_Ymax / fb_height * 2.0f - 1.0f;
/*
printf("%s %s%s%s %f,%f %f,%f\n", __FUNCTION__,
*/
cso_save_blend(st->cso_context);
+ cso_save_stencil_ref(st->cso_context);
cso_save_depth_stencil_alpha(st->cso_context);
cso_save_rasterizer(st->cso_context);
+ cso_save_viewport(st->cso_context);
+ cso_save_clip(st->cso_context);
cso_save_fragment_shader(st->cso_context);
cso_save_vertex_shader(st->cso_context);
+ cso_save_vertex_elements(st->cso_context);
/* blend state: RGBA masking */
{
struct pipe_blend_state blend;
memset(&blend, 0, sizeof(blend));
- blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
- blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
- blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
+ blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
+ blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
if (color) {
- if (ctx->Color.ColorMask[0])
- blend.colormask |= PIPE_MASK_R;
- if (ctx->Color.ColorMask[1])
- blend.colormask |= PIPE_MASK_G;
- if (ctx->Color.ColorMask[2])
- blend.colormask |= PIPE_MASK_B;
- if (ctx->Color.ColorMask[3])
- blend.colormask |= PIPE_MASK_A;
+ if (ctx->Color.ColorMask[0][0])
+ blend.rt[0].colormask |= PIPE_MASK_R;
+ if (ctx->Color.ColorMask[0][1])
+ blend.rt[0].colormask |= PIPE_MASK_G;
+ if (ctx->Color.ColorMask[0][2])
+ blend.rt[0].colormask |= PIPE_MASK_B;
+ if (ctx->Color.ColorMask[0][3])
+ blend.rt[0].colormask |= PIPE_MASK_A;
if (st->ctx->Color.DitherFlag)
blend.dither = 1;
}
}
if (stencil) {
+ struct pipe_stencil_ref stencil_ref;
+ memset(&stencil_ref, 0, sizeof(stencil_ref));
depth_stencil.stencil[0].enabled = 1;
depth_stencil.stencil[0].func = PIPE_FUNC_ALWAYS;
depth_stencil.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE;
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].valuemask = 0xff;
depth_stencil.stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff;
+ stencil_ref.ref_value[0] = ctx->Stencil.Clear;
+ cso_set_stencil_ref(st->cso_context, &stencil_ref);
}
cso_set_depth_stencil_alpha(st->cso_context, &depth_stencil);
}
+ cso_set_vertex_elements(st->cso_context, 2, st->velems_util_draw);
+
cso_set_rasterizer(st->cso_context, &st->clear.raster);
+ /* viewport state: viewport matching window dims */
+ {
+ const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP);
+ struct pipe_viewport_state vp;
+ vp.scale[0] = 0.5f * fb_width;
+ vp.scale[1] = fb_height * (invert ? -0.5f : 0.5f);
+ vp.scale[2] = 1.0f;
+ vp.scale[3] = 1.0f;
+ vp.translate[0] = 0.5f * fb_width;
+ vp.translate[1] = 0.5f * fb_height;
+ vp.translate[2] = 0.0f;
+ vp.translate[3] = 0.0f;
+ cso_set_viewport(st->cso_context, &vp);
+ }
+
+ cso_set_clip(st->cso_context, &st->clear.clip);
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, (GLfloat) ctx->Depth.Clear, ctx->Color.ClearColor);
+ draw_quad(st, x0, y0, x1, y1,
+ (GLfloat) ctx->Depth.Clear, ctx->Color.ClearColor);
/* Restore pipe state */
cso_restore_blend(st->cso_context);
+ cso_restore_stencil_ref(st->cso_context);
cso_restore_depth_stencil_alpha(st->cso_context);
cso_restore_rasterizer(st->cso_context);
+ cso_restore_viewport(st->cso_context);
+ cso_restore_clip(st->cso_context);
cso_restore_fragment_shader(st->cso_context);
cso_restore_vertex_shader(st->cso_context);
+ cso_restore_vertex_elements(st->cso_context);
}
ctx->Scissor.Y != 0 ||
ctx->Scissor.Width < rb->Width ||
ctx->Scissor.Height < rb->Height))
- return TRUE;
+ return GL_TRUE;
- if (!ctx->Color.ColorMask[0] ||
- !ctx->Color.ColorMask[1] ||
- !ctx->Color.ColorMask[2] ||
- !ctx->Color.ColorMask[3])
- return TRUE;
+ if (!ctx->Color.ColorMask[0][0] ||
+ !ctx->Color.ColorMask[0][1] ||
+ !ctx->Color.ColorMask[0][2] ||
+ !ctx->Color.ColorMask[0][3])
+ return GL_TRUE;
- return FALSE;
+ return GL_FALSE;
}
+/**
+ * Determine if we need to clear the combiend depth/stencil buffer by
+ * drawing a quad.
+ */
static INLINE GLboolean
check_clear_depth_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
{
ctx->Scissor.Y != 0 ||
ctx->Scissor.Width < rb->Width ||
ctx->Scissor.Height < rb->Height))
- return TRUE;
+ return GL_TRUE;
if (maskStencil)
- return TRUE;
+ return GL_TRUE;
- return FALSE;
+ return GL_FALSE;
}
check_clear_depth_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
{
const struct st_renderbuffer *strb = st_renderbuffer(rb);
- const GLboolean isDS = pf_is_depth_and_stencil(strb->surface->format);
+ const GLboolean isDS = util_format_is_depth_and_stencil(strb->surface->format);
if (ctx->Scissor.Enabled &&
(ctx->Scissor.X != 0 ||
ctx->Scissor.Y != 0 ||
ctx->Scissor.Width < rb->Width ||
ctx->Scissor.Height < rb->Height))
- return TRUE;
+ return GL_TRUE;
- if (isDS &&
- ctx->DrawBuffer->Visual.stencilBits > 0)
- return TRUE;
+ if (isDS && ctx->DrawBuffer->Visual.stencilBits > 0)
+ return GL_TRUE;
- return FALSE;
+ return GL_FALSE;
}
check_clear_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
{
const struct st_renderbuffer *strb = st_renderbuffer(rb);
- const GLboolean isDS = pf_is_depth_and_stencil(strb->surface->format);
+ const GLboolean isDS = util_format_is_depth_and_stencil(strb->surface->format);
const GLuint stencilMax = 0xff;
const GLboolean maskStencil
= (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax;
rb->Format == MESA_FORMAT_S8_Z24);
if (maskStencil)
- return TRUE;
+ return GL_TRUE;
if (ctx->Scissor.Enabled &&
(ctx->Scissor.X != 0 ||
ctx->Scissor.Y != 0 ||
ctx->Scissor.Width < rb->Width ||
ctx->Scissor.Height < rb->Height))
- return TRUE;
+ return GL_TRUE;
/* This is correct, but it is necessary to look at the depth clear
* value held in the surface when it comes time to issue the clear,
* rather than taking depth and stencil clear values from the
* current state.
*/
- if (isDS &&
- ctx->DrawBuffer->Visual.depthBits > 0)
- return TRUE;
+ if (isDS && ctx->DrawBuffer->Visual.depthBits > 0)
+ return GL_TRUE;
- return FALSE;
+ return GL_FALSE;
}
-void st_flush_clear( struct st_context *st )
+/**
+ * Called when we need to flush.
+ */
+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->clear.vbuf, NULL);
+ pipe_resource_reference(&st->clear.vbuf, NULL);
st->clear.vbuf_slot = 0;
}
/**
* Called via ctx->Driver.Clear()
- * XXX: doesn't pick up the differences between front/back/left/right
- * clears. Need to sort that out...
*/
-static void st_clear(GLcontext *ctx, GLbitfield mask)
+static void
+st_Clear(GLcontext *ctx, GLbitfield mask)
{
static const GLbitfield BUFFER_BITS_DS
= (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
- struct st_context *st = ctx->st;
+ struct st_context *st = st_context(ctx);
struct gl_renderbuffer *depthRb
= ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
struct gl_renderbuffer *stencilRb
= ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
- GLbitfield quad_buffers = 0;
- GLbitfield clear_buffers = 0;
+ GLbitfield quad_buffers = 0x0;
+ GLbitfield clear_buffers = 0x0;
GLuint i;
/* This makes sure the pipe has the latest scissor, etc values */
mask & BUFFER_BIT_DEPTH,
mask & BUFFER_BIT_STENCIL);
} else if (clear_buffers)
- ctx->st->pipe->clear(ctx->st->pipe, clear_buffers, ctx->Color.ClearColor,
- ctx->Depth.Clear, ctx->Stencil.Clear);
+ st->pipe->clear(st->pipe, clear_buffers, ctx->Color.ClearColor,
+ ctx->Depth.Clear, ctx->Stencil.Clear);
if (mask & BUFFER_BIT_ACCUM)
st_clear_accum_buffer(ctx,
}
-void st_init_clear_functions(struct dd_function_table *functions)
+void
+st_init_clear_functions(struct dd_function_table *functions)
{
- functions->Clear = st_clear;
+ functions->Clear = st_Clear;
}
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