/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS 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 "main/imports.h"
#include "main/image.h"
#include "main/bufferobj.h"
+#include "main/blit.h"
+#include "main/format_pack.h"
#include "main/macros.h"
-#include "main/mfeatures.h"
#include "main/mtypes.h"
#include "main/pack.h"
#include "main/pbo.h"
+#include "main/readpix.h"
#include "main/texformat.h"
#include "main/teximage.h"
#include "main/texstore.h"
+#include "main/glformats.h"
#include "program/program.h"
#include "program/prog_print.h"
#include "program/prog_instruction.h"
#include "util/u_inlines.h"
#include "util/u_math.h"
#include "util/u_tile.h"
+#include "util/u_upload_mgr.h"
#include "cso_cache/cso_context.h"
-#if FEATURE_drawpix
-
-/**
- * Check if the given program is:
- * 0: MOVE result.color, fragment.color;
- * 1: END;
- */
-static GLboolean
-is_passthrough_program(const struct gl_fragment_program *prog)
-{
- if (prog->Base.NumInstructions == 2) {
- const struct prog_instruction *inst = prog->Base.Instructions;
- if (inst[0].Opcode == OPCODE_MOV &&
- inst[1].Opcode == OPCODE_END &&
- inst[0].DstReg.File == PROGRAM_OUTPUT &&
- inst[0].DstReg.Index == FRAG_RESULT_COLOR &&
- inst[0].DstReg.WriteMask == WRITEMASK_XYZW &&
- inst[0].SrcReg[0].File == PROGRAM_INPUT &&
- inst[0].SrcReg[0].Index == FRAG_ATTRIB_COL0 &&
- inst[0].SrcReg[0].Swizzle == SWIZZLE_XYZW) {
- return GL_TRUE;
- }
- }
- return GL_FALSE;
-}
-
-
-
-/**
- * Make fragment shader for glDraw/CopyPixels. This shader is made
- * by combining the pixel transfer shader with the user-defined shader.
- * \param fpIn the current/incoming fragment program
- * \param fpOut returns the combined fragment program
- */
-void
-st_make_drawpix_fragment_program(struct st_context *st,
- struct gl_fragment_program *fpIn,
- struct gl_fragment_program **fpOut)
-{
- struct gl_program *newProg;
-
- if (is_passthrough_program(fpIn)) {
- newProg = (struct gl_program *) _mesa_clone_fragment_program(st->ctx,
- &st->pixel_xfer.program->Base);
- }
- else {
-#if 0
- /* debug */
- printf("Base program:\n");
- _mesa_print_program(&fpIn->Base);
- printf("DrawPix program:\n");
- _mesa_print_program(&st->pixel_xfer.program->Base.Base);
-#endif
- newProg = _mesa_combine_programs(st->ctx,
- &st->pixel_xfer.program->Base.Base,
- &fpIn->Base);
- }
-
-#if 0
- /* debug */
- printf("Combined DrawPixels program:\n");
- _mesa_print_program(newProg);
- printf("InputsRead: 0x%x\n", newProg->InputsRead);
- printf("OutputsWritten: 0x%x\n", newProg->OutputsWritten);
- _mesa_print_parameter_list(newProg->Parameters);
-#endif
-
- *fpOut = (struct gl_fragment_program *) newProg;
-}
-
-
/**
* Create fragment program that does a TEX() instruction to get a Z and/or
* stencil value value, then writes to FRAG_RESULT_DEPTH/FRAG_RESULT_STENCIL.
* Used for glDrawPixels(GL_DEPTH_COMPONENT / GL_STENCIL_INDEX).
* Pass fragment color through as-is.
- * \return pointer to the gl_fragment program
+ *
+ * \return CSO of the fragment shader.
*/
-struct gl_fragment_program *
-st_make_drawpix_z_stencil_program(struct st_context *st,
- GLboolean write_depth,
- GLboolean write_stencil)
+static void *
+get_drawpix_z_stencil_program(struct st_context *st,
+ GLboolean write_depth,
+ GLboolean write_stencil)
{
- struct gl_context *ctx = st->ctx;
- struct gl_program *p;
- struct gl_fragment_program *fp;
- GLuint ic = 0;
+ struct ureg_program *ureg;
+ struct ureg_src depth_sampler, stencil_sampler;
+ struct ureg_src texcoord, color;
+ struct ureg_dst out_color, out_depth, out_stencil;
const GLuint shaderIndex = write_depth * 2 + write_stencil;
+ void *cso;
- assert(shaderIndex < Elements(st->drawpix.shaders));
+ assert(shaderIndex < ARRAY_SIZE(st->drawpix.zs_shaders));
- if (st->drawpix.shaders[shaderIndex]) {
+ if (st->drawpix.zs_shaders[shaderIndex]) {
/* already have the proper shader */
- return st->drawpix.shaders[shaderIndex];
+ return st->drawpix.zs_shaders[shaderIndex];
}
- /*
- * Create shader now
- */
- p = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
- if (!p)
+ ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT);
+ if (ureg == NULL)
return NULL;
- p->NumInstructions = write_depth ? 2 : 1;
- p->NumInstructions += write_stencil ? 1 : 0;
-
- p->Instructions = _mesa_alloc_instructions(p->NumInstructions);
- if (!p->Instructions) {
- ctx->Driver.DeleteProgram(ctx, p);
- return NULL;
- }
- _mesa_init_instructions(p->Instructions, p->NumInstructions);
+ ureg_property(ureg, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS, TRUE);
if (write_depth) {
- /* TEX result.depth, fragment.texcoord[0], texture[0], 2D; */
- p->Instructions[ic].Opcode = OPCODE_TEX;
- p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT;
- p->Instructions[ic].DstReg.Index = FRAG_RESULT_DEPTH;
- p->Instructions[ic].DstReg.WriteMask = WRITEMASK_Z;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
- p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0;
- p->Instructions[ic].TexSrcUnit = 0;
- p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX;
- ic++;
+ color = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_COLOR, 0,
+ TGSI_INTERPOLATE_COLOR);
+ out_color = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
+
+ depth_sampler = ureg_DECL_sampler(ureg, 0);
+ out_depth = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);
}
if (write_stencil) {
- /* TEX result.stencil, fragment.texcoord[0], texture[0], 2D; */
- p->Instructions[ic].Opcode = OPCODE_TEX;
- p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT;
- p->Instructions[ic].DstReg.Index = FRAG_RESULT_STENCIL;
- p->Instructions[ic].DstReg.WriteMask = WRITEMASK_Y;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
- p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0;
- p->Instructions[ic].TexSrcUnit = 1;
- p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX;
- ic++;
+ stencil_sampler = ureg_DECL_sampler(ureg, 1);
+ out_stencil = ureg_DECL_output(ureg, TGSI_SEMANTIC_STENCIL, 0);
}
- /* END; */
- p->Instructions[ic++].Opcode = OPCODE_END;
-
- assert(ic == p->NumInstructions);
+ texcoord = ureg_DECL_fs_input(ureg,
+ st->needs_texcoord_semantic ?
+ TGSI_SEMANTIC_TEXCOORD :
+ TGSI_SEMANTIC_GENERIC,
+ 0, TGSI_INTERPOLATE_LINEAR);
- p->InputsRead = FRAG_BIT_TEX0 | FRAG_BIT_COL0;
- p->OutputsWritten = 0;
- if (write_depth)
- p->OutputsWritten |= BITFIELD64_BIT(FRAG_RESULT_DEPTH);
- if (write_stencil)
- p->OutputsWritten |= BITFIELD64_BIT(FRAG_RESULT_STENCIL);
+ if (write_depth) {
+ ureg_TEX(ureg, ureg_writemask(out_depth, TGSI_WRITEMASK_Z),
+ TGSI_TEXTURE_2D, texcoord, depth_sampler);
+ ureg_MOV(ureg, out_color, color);
+ }
- p->SamplersUsed = 0x1; /* sampler 0 (bit 0) is used */
if (write_stencil)
- p->SamplersUsed |= 1 << 1;
+ ureg_TEX(ureg, ureg_writemask(out_stencil, TGSI_WRITEMASK_Y),
+ TGSI_TEXTURE_2D, texcoord, stencil_sampler);
- fp = (struct gl_fragment_program *) p;
+ ureg_END(ureg);
+ cso = ureg_create_shader_and_destroy(ureg, st->pipe);
/* save the new shader */
- st->drawpix.shaders[shaderIndex] = fp;
-
- return fp;
+ st->drawpix.zs_shaders[shaderIndex] = cso;
+ return cso;
}
make_passthrough_vertex_shader(struct st_context *st,
GLboolean passColor)
{
+ const unsigned texcoord_semantic = st->needs_texcoord_semantic ?
+ TGSI_SEMANTIC_TEXCOORD : TGSI_SEMANTIC_GENERIC;
+
if (!st->drawpix.vert_shaders[passColor]) {
struct ureg_program *ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
/* MOV result.texcoord0, vertex.attr[1]; */
ureg_MOV(ureg,
- ureg_DECL_output( ureg, TGSI_SEMANTIC_GENERIC, 0 ),
+ ureg_DECL_output( ureg, texcoord_semantic, 0 ),
ureg_DECL_vs_input( ureg, 1 ));
if (passColor) {
return GL_STENCIL_INDEX;
default:
- if (_mesa_is_integer_format(format)) {
+ if (_mesa_is_enum_format_integer(format)) {
switch (type) {
case GL_BYTE:
return GL_RGBA8I;
case GL_UNSIGNED_BYTE_3_3_2:
case GL_UNSIGNED_BYTE_2_3_3_REV:
+ return GL_R3_G3_B2;
+
case GL_UNSIGNED_SHORT_4_4_4_4:
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
return GL_RGBA4;
case GL_UNSIGNED_SHORT_5_6_5:
case GL_UNSIGNED_SHORT_5_6_5_REV:
+ return GL_RGB565;
+
case GL_UNSIGNED_SHORT_5_5_5_1:
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
return GL_RGB5_A1;
*/
static struct pipe_resource *
alloc_texture(struct st_context *st, GLsizei width, GLsizei height,
- enum pipe_format texFormat)
+ enum pipe_format texFormat, unsigned bind)
{
struct pipe_resource *pt;
pt = st_texture_create(st, st->internal_target, texFormat, 0,
- width, height, 1, 1, PIPE_BIND_SAMPLER_VIEW);
+ width, height, 1, 1, 0, bind);
return pt;
}
{
struct gl_context *ctx = st->ctx;
struct pipe_context *pipe = st->pipe;
- gl_format mformat;
+ mesa_format mformat;
struct pipe_resource *pt;
enum pipe_format pipeFormat;
- GLenum baseInternalFormat, intFormat;
+ GLenum baseInternalFormat;
- intFormat = internal_format(ctx, format, type);
- baseInternalFormat = _mesa_base_tex_format(ctx, intFormat);
+ /* Choose a pixel format for the temp texture which will hold the
+ * image to draw.
+ */
+ pipeFormat = st_choose_matching_format(st, PIPE_BIND_SAMPLER_VIEW,
+ format, type, unpack->SwapBytes);
+
+ if (pipeFormat == PIPE_FORMAT_NONE) {
+ /* Use the generic approach. */
+ GLenum intFormat = internal_format(ctx, format, type);
- mformat = st_ChooseTextureFormat_renderable(ctx, intFormat,
- format, type, GL_FALSE);
- assert(mformat);
+ pipeFormat = st_choose_format(st, intFormat, format, type,
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
+ FALSE);
+ assert(pipeFormat != PIPE_FORMAT_NONE);
+ }
- pipeFormat = st_mesa_format_to_pipe_format(mformat);
- assert(pipeFormat);
+ mformat = st_pipe_format_to_mesa_format(pipeFormat);
+ baseInternalFormat = _mesa_get_format_base_format(mformat);
pixels = _mesa_map_pbo_source(ctx, unpack, pixels);
if (!pixels)
return NULL;
/* alloc temporary texture */
- pt = alloc_texture(st, width, height, pipeFormat);
+ pt = alloc_texture(st, width, height, pipeFormat, PIPE_BIND_SAMPLER_VIEW);
if (!pt) {
_mesa_unmap_pbo_source(ctx, unpack);
return NULL;
{
struct pipe_transfer *transfer;
- static const GLuint dstImageOffsets = 0;
GLboolean success;
GLubyte *dest;
const GLbitfield imageTransferStateSave = ctx->_ImageTransferState;
/* we'll do pixel transfer in a fragment shader */
ctx->_ImageTransferState = 0x0;
- transfer = pipe_get_transfer(st->pipe, pt, 0, 0,
- PIPE_TRANSFER_WRITE, 0, 0,
- width, height);
-
/* map texture transfer */
- dest = pipe_transfer_map(pipe, transfer);
+ dest = pipe_transfer_map(pipe, pt, 0, 0,
+ PIPE_TRANSFER_WRITE, 0, 0,
+ width, height, &transfer);
/* Put image into texture transfer.
*/
success = _mesa_texstore(ctx, 2, /* dims */
baseInternalFormat, /* baseInternalFormat */
- mformat, /* gl_format */
- dest, /* dest */
- 0, 0, 0, /* dstX/Y/Zoffset */
+ mformat, /* mesa_format */
transfer->stride, /* dstRowStride, bytes */
- &dstImageOffsets, /* dstImageOffsets */
+ &dest, /* destSlices */
width, height, 1, /* size */
format, type, /* src format/type */
pixels, /* data source */
/* unmap */
pipe_transfer_unmap(pipe, transfer);
- pipe->transfer_destroy(pipe, transfer);
assert(success);
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
- GLfloat verts[4][3][4]; /* four verts, three attribs, XYZW */
+ GLfloat (*verts)[3][4]; /* four verts, three attribs, XYZW */
+ struct pipe_resource *buf = NULL;
+ unsigned offset;
+
+ u_upload_alloc(st->uploader, 0, 4 * sizeof(verts[0]), &offset,
+ &buf, (void **) &verts);
+ if (!buf) {
+ return;
+ }
/* setup vertex data */
{
}
}
- {
- struct pipe_resource *buf;
-
- /* allocate/load buffer object with vertex data */
- buf = pipe_buffer_create(pipe->screen,
- PIPE_BIND_VERTEX_BUFFER,
- PIPE_USAGE_STATIC,
- sizeof(verts));
- pipe_buffer_write(st->pipe, buf, 0, sizeof(verts), verts);
-
- util_draw_vertex_buffer(pipe, st->cso_context, buf, 0,
- PIPE_PRIM_QUADS,
- 4, /* verts */
- 3); /* attribs/vert */
- pipe_resource_reference(&buf, NULL);
- }
+ u_upload_unmap(st->uploader);
+ util_draw_vertex_buffer(pipe, st->cso_context, buf,
+ cso_get_aux_vertex_buffer_slot(st->cso_context),
+ offset,
+ PIPE_PRIM_QUADS,
+ 4, /* verts */
+ 3); /* attribs/vert */
+ pipe_resource_reference(&buf, NULL);
}
int num_sampler_view,
void *driver_vp,
void *driver_fp,
+ struct st_fp_variant *fpv,
const GLfloat *color,
GLboolean invertTex,
GLboolean write_depth, GLboolean write_stencil)
cso_save_rasterizer(cso);
cso_save_viewport(cso);
- cso_save_samplers(cso);
+ cso_save_fragment_samplers(cso);
cso_save_fragment_sampler_views(cso);
cso_save_fragment_shader(cso);
+ cso_save_stream_outputs(cso);
cso_save_vertex_shader(cso);
+ cso_save_tessctrl_shader(cso);
+ cso_save_tesseval_shader(cso);
+ cso_save_geometry_shader(cso);
cso_save_vertex_elements(cso);
- cso_save_vertex_buffers(cso);
+ cso_save_aux_vertex_buffer_slot(cso);
if (write_stencil) {
cso_save_depth_stencil_alpha(cso);
cso_save_blend(cso);
{
struct pipe_rasterizer_state rasterizer;
memset(&rasterizer, 0, sizeof(rasterizer));
- rasterizer.clamp_fragment_color = ctx->Color._ClampFragmentColor;
- rasterizer.gl_rasterization_rules = 1;
- rasterizer.scissor = ctx->Scissor.Enabled;
+ rasterizer.clamp_fragment_color = !st->clamp_frag_color_in_shader &&
+ ctx->Color._ClampFragmentColor;
+ rasterizer.half_pixel_center = 1;
+ rasterizer.bottom_edge_rule = 1;
+ rasterizer.depth_clip = !ctx->Transform.DepthClamp;
+ rasterizer.scissor = ctx->Scissor.EnableFlags;
cso_set_rasterizer(cso, &rasterizer);
}
/* vertex shader state: position + texcoord pass-through */
cso_set_vertex_shader_handle(cso, driver_vp);
+ /* disable other shaders */
+ cso_set_tessctrl_shader_handle(cso, NULL);
+ cso_set_tesseval_shader_handle(cso, NULL);
+ cso_set_geometry_shader_handle(cso, NULL);
- /* texture sampling state: */
+ /* user samplers, plus the drawpix samplers */
{
struct pipe_sampler_state sampler;
+
memset(&sampler, 0, sizeof(sampler));
sampler.wrap_s = PIPE_TEX_WRAP_CLAMP;
sampler.wrap_t = PIPE_TEX_WRAP_CLAMP;
sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler.normalized_coords = normalized;
- cso_single_sampler(cso, 0, &sampler);
- if (num_sampler_view > 1) {
- cso_single_sampler(cso, 1, &sampler);
+ if (fpv) {
+ const struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
+ uint num = MAX2(MAX2(fpv->drawpix_sampler, fpv->pixelmap_sampler) + 1,
+ st->state.num_samplers[PIPE_SHADER_FRAGMENT]);
+ uint i;
+
+ for (i = 0; i < st->state.num_samplers[PIPE_SHADER_FRAGMENT]; i++)
+ samplers[i] = &st->state.samplers[PIPE_SHADER_FRAGMENT][i];
+
+ samplers[fpv->drawpix_sampler] = &sampler;
+ if (sv[1])
+ samplers[fpv->pixelmap_sampler] = &sampler;
+
+ cso_set_samplers(cso, PIPE_SHADER_FRAGMENT, num, samplers);
+ } else {
+ const struct pipe_sampler_state *samplers[2] = {&sampler, &sampler};
+
+ cso_set_samplers(cso, PIPE_SHADER_FRAGMENT, num_sampler_view, samplers);
}
- cso_single_sampler_done(cso);
}
/* viewport state: viewport matching window dims */
vp.scale[0] = 0.5f * w;
vp.scale[1] = -0.5f * h;
vp.scale[2] = 0.5f;
- vp.scale[3] = 1.0f;
vp.translate[0] = 0.5f * w;
vp.translate[1] = 0.5f * h;
vp.translate[2] = 0.5f;
- vp.translate[3] = 0.0f;
cso_set_viewport(cso, &vp);
}
cso_set_vertex_elements(cso, 3, st->velems_util_draw);
+ cso_set_stream_outputs(st->cso_context, 0, NULL, NULL);
+
+ /* user textures, plus the drawpix textures */
+ if (fpv) {
+ struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
+ uint num = MAX3(fpv->drawpix_sampler + 1,
+ fpv->pixelmap_sampler + 1,
+ st->state.num_sampler_views[PIPE_SHADER_FRAGMENT]);
- /* texture state: */
- cso_set_fragment_sampler_views(cso, num_sampler_view, sv);
+ memcpy(sampler_views, st->state.sampler_views[PIPE_SHADER_FRAGMENT],
+ sizeof(sampler_views));
+
+ sampler_views[fpv->drawpix_sampler] = sv[0];
+ if (sv[1])
+ sampler_views[fpv->pixelmap_sampler] = sv[1];
+ cso_set_sampler_views(cso, PIPE_SHADER_FRAGMENT, num, sampler_views);
+ } else
+ cso_set_sampler_views(cso, PIPE_SHADER_FRAGMENT, num_sampler_view, sv);
/* Compute Gallium window coords (y=0=top) with pixel zoom.
* Recall that these coords are transformed by the current
y1 = y + height * ctx->Pixel.ZoomY;
/* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
- z = z * 2.0 - 1.0;
+ z = z * 2.0f - 1.0f;
draw_quad(ctx, x0, y0, z, x1, y1, color, invertTex,
normalized ? ((GLfloat) width / sv[0]->texture->width0) : (GLfloat)width,
/* restore state */
cso_restore_rasterizer(cso);
cso_restore_viewport(cso);
- cso_restore_samplers(cso);
+ cso_restore_fragment_samplers(cso);
cso_restore_fragment_sampler_views(cso);
cso_restore_fragment_shader(cso);
cso_restore_vertex_shader(cso);
+ cso_restore_tessctrl_shader(cso);
+ cso_restore_tesseval_shader(cso);
+ cso_restore_geometry_shader(cso);
cso_restore_vertex_elements(cso);
- cso_restore_vertex_buffers(cso);
+ cso_restore_aux_vertex_buffer_slot(cso);
+ cso_restore_stream_outputs(cso);
if (write_stencil) {
cso_restore_depth_stencil_alpha(cso);
cso_restore_blend(cso);
enum pipe_transfer_usage usage;
struct pipe_transfer *pt;
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0 || ctx->Pixel.ZoomY != 1.0;
- GLint skipPixels;
ubyte *stmap;
struct gl_pixelstore_attrib clippedUnpack = *unpack;
+ GLubyte *sValues;
+ GLuint *zValues;
if (!zoom) {
if (!_mesa_clip_drawpixels(ctx, &x, &y, &width, &height,
y = ctx->DrawBuffer->Height - y - height;
}
- if(format != GL_DEPTH_STENCIL &&
- util_format_get_component_bits(strb->format,
- UTIL_FORMAT_COLORSPACE_ZS, 0) != 0)
+ if (format == GL_STENCIL_INDEX &&
+ _mesa_is_format_packed_depth_stencil(strb->Base.Format)) {
+ /* writing stencil to a combined depth+stencil buffer */
usage = PIPE_TRANSFER_READ_WRITE;
- else
+ }
+ else {
usage = PIPE_TRANSFER_WRITE;
+ }
- pt = pipe_get_transfer(pipe, strb->texture,
- strb->rtt_level, strb->rtt_face + strb->rtt_slice,
- usage, x, y,
- width, height);
-
- stmap = pipe_transfer_map(pipe, pt);
+ stmap = pipe_transfer_map(pipe, strb->texture,
+ strb->surface->u.tex.level,
+ strb->surface->u.tex.first_layer,
+ usage, x, y,
+ width, height, &pt);
pixels = _mesa_map_pbo_source(ctx, &clippedUnpack, pixels);
assert(pixels);
- /* if width > MAX_WIDTH, have to process image in chunks */
- skipPixels = 0;
- while (skipPixels < width) {
- const GLint spanX = skipPixels;
- const GLint spanWidth = MIN2(width - skipPixels, MAX_WIDTH);
+ sValues = malloc(width * sizeof(GLubyte));
+ zValues = malloc(width * sizeof(GLuint));
+
+ if (sValues && zValues) {
GLint row;
for (row = 0; row < height; row++) {
- GLubyte sValues[MAX_WIDTH];
- GLuint zValues[MAX_WIDTH];
GLfloat *zValuesFloat = (GLfloat*)zValues;
GLenum destType = GL_UNSIGNED_BYTE;
const GLvoid *source = _mesa_image_address2d(&clippedUnpack, pixels,
width, height,
format, type,
- row, skipPixels);
- _mesa_unpack_stencil_span(ctx, spanWidth, destType, sValues,
+ row, 0);
+ _mesa_unpack_stencil_span(ctx, width, destType, sValues,
type, source, &clippedUnpack,
ctx->_ImageTransferState);
if (format == GL_DEPTH_STENCIL) {
GLenum ztype =
- pt->resource->format == PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED ?
+ pt->resource->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ?
GL_FLOAT : GL_UNSIGNED_INT;
- _mesa_unpack_depth_span(ctx, spanWidth, ztype, zValues,
+ _mesa_unpack_depth_span(ctx, width, ztype, zValues,
(1 << 24) - 1, type, source,
&clippedUnpack);
}
/* now pack the stencil (and Z) values in the dest format */
switch (pt->resource->format) {
- case PIPE_FORMAT_S8_USCALED:
+ case PIPE_FORMAT_S8_UINT:
{
- ubyte *dest = stmap + spanY * pt->stride + spanX;
+ ubyte *dest = stmap + spanY * pt->stride;
assert(usage == PIPE_TRANSFER_WRITE);
- memcpy(dest, sValues, spanWidth);
+ memcpy(dest, sValues, width);
}
break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+ case PIPE_FORMAT_Z24_UNORM_S8_UINT:
if (format == GL_DEPTH_STENCIL) {
- uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+ uint *dest = (uint *) (stmap + spanY * pt->stride);
GLint k;
assert(usage == PIPE_TRANSFER_WRITE);
- for (k = 0; k < spanWidth; k++) {
+ for (k = 0; k < width; k++) {
dest[k] = zValues[k] | (sValues[k] << 24);
}
}
else {
- uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+ uint *dest = (uint *) (stmap + spanY * pt->stride);
GLint k;
assert(usage == PIPE_TRANSFER_READ_WRITE);
- for (k = 0; k < spanWidth; k++) {
+ for (k = 0; k < width; k++) {
dest[k] = (dest[k] & 0xffffff) | (sValues[k] << 24);
}
}
break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
if (format == GL_DEPTH_STENCIL) {
- uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+ uint *dest = (uint *) (stmap + spanY * pt->stride);
GLint k;
assert(usage == PIPE_TRANSFER_WRITE);
- for (k = 0; k < spanWidth; k++) {
+ for (k = 0; k < width; k++) {
dest[k] = (zValues[k] << 8) | (sValues[k] & 0xff);
}
}
else {
- uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+ uint *dest = (uint *) (stmap + spanY * pt->stride);
GLint k;
assert(usage == PIPE_TRANSFER_READ_WRITE);
- for (k = 0; k < spanWidth; k++) {
+ for (k = 0; k < width; k++) {
dest[k] = (dest[k] & 0xffffff00) | (sValues[k] & 0xff);
}
}
break;
- case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
if (format == GL_DEPTH_STENCIL) {
- uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+ uint *dest = (uint *) (stmap + spanY * pt->stride);
GLfloat *destf = (GLfloat*)dest;
GLint k;
assert(usage == PIPE_TRANSFER_WRITE);
- for (k = 0; k < spanWidth; k++) {
+ for (k = 0; k < width; k++) {
destf[k*2] = zValuesFloat[k];
dest[k*2+1] = sValues[k] & 0xff;
}
}
else {
- uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+ uint *dest = (uint *) (stmap + spanY * pt->stride);
GLint k;
assert(usage == PIPE_TRANSFER_READ_WRITE);
- for (k = 0; k < spanWidth; k++) {
+ for (k = 0; k < width; k++) {
dest[k*2+1] = sValues[k] & 0xff;
}
}
}
}
}
- skipPixels += spanWidth;
+ }
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels()");
}
+ free(sValues);
+ free(zValues);
+
_mesa_unmap_pbo_source(ctx, &clippedUnpack);
/* unmap the stencil buffer */
pipe_transfer_unmap(pipe, pt);
- pipe->transfer_destroy(pipe, pt);
}
memset(&key, 0, sizeof(key));
- key.st = st;
+ key.st = st->has_shareable_shaders ? NULL : st;
key.drawpixels = 1;
key.scaleAndBias = (ctx->Pixel.RedBias != 0.0 ||
ctx->Pixel.RedScale != 1.0 ||
ctx->Pixel.AlphaBias != 0.0 ||
ctx->Pixel.AlphaScale != 1.0);
key.pixelMaps = ctx->Pixel.MapColorFlag;
+ key.clamp_color = st->clamp_frag_color_in_shader &&
+ st->ctx->Color._ClampFragmentColor;
fpv = st_get_fp_variant(st, st->fp, &key);
/**
- * Get fragment program variant for a glDrawPixels or glCopyPixels
- * command for depth/stencil data.
+ * Clamp glDrawPixels width and height to the maximum texture size.
*/
-static struct st_fp_variant *
-get_depth_stencil_fp_variant(struct st_context *st, GLboolean write_depth,
- GLboolean write_stencil)
+static void
+clamp_size(struct pipe_context *pipe, GLsizei *width, GLsizei *height,
+ struct gl_pixelstore_attrib *unpack)
{
- struct st_fp_variant_key key;
- struct st_fp_variant *fpv;
-
- memset(&key, 0, sizeof(key));
-
- key.st = st;
- key.drawpixels = 1;
- key.drawpixels_z = write_depth;
- key.drawpixels_stencil = write_stencil;
-
- fpv = st_get_fp_variant(st, st->fp, &key);
-
- return fpv;
+ const int maxSize =
+ 1 << (pipe->screen->get_param(pipe->screen,
+ PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
+
+ if (*width > maxSize) {
+ if (unpack->RowLength == 0)
+ unpack->RowLength = *width;
+ *width = maxSize;
+ }
+ if (*height > maxSize) {
+ *height = maxSize;
+ }
}
const GLfloat *color;
struct pipe_context *pipe = st->pipe;
GLboolean write_stencil = GL_FALSE, write_depth = GL_FALSE;
- struct pipe_sampler_view *sv[2];
+ struct pipe_sampler_view *sv[2] = { NULL };
int num_sampler_view = 1;
- struct st_fp_variant *fpv;
+ struct gl_pixelstore_attrib clippedUnpack;
+ struct st_fp_variant *fpv = NULL;
+ struct pipe_resource *pt;
+
+ /* Mesa state should be up to date by now */
+ assert(ctx->NewState == 0x0);
+
+ st_validate_state(st);
+
+ /* Limit the size of the glDrawPixels to the max texture size.
+ * Strictly speaking, that's not correct but since we don't handle
+ * larger images yet, this is better than crashing.
+ */
+ clippedUnpack = *unpack;
+ unpack = &clippedUnpack;
+ clamp_size(st->pipe, &width, &height, &clippedUnpack);
if (format == GL_DEPTH_STENCIL)
write_stencil = write_depth = GL_TRUE;
return;
}
- /* Mesa state should be up to date by now */
- assert(ctx->NewState == 0x0);
-
- st_validate_state(st);
-
/*
* Get vertex/fragment shaders
*/
if (write_depth || write_stencil) {
- fpv = get_depth_stencil_fp_variant(st, write_depth, write_stencil);
-
- driver_fp = fpv->driver_shader;
-
+ driver_fp = get_drawpix_z_stencil_program(st, write_depth,
+ write_stencil);
driver_vp = make_passthrough_vertex_shader(st, GL_TRUE);
-
color = ctx->Current.RasterColor;
}
else {
fpv = get_color_fp_variant(st);
driver_fp = fpv->driver_shader;
-
driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
color = NULL;
- if (st->pixel_xfer.pixelmap_enabled) {
- sv[1] = st->pixel_xfer.pixelmap_sampler_view;
- num_sampler_view++;
+ if (ctx->Pixel.MapColorFlag) {
+ pipe_sampler_view_reference(&sv[1],
+ st->pixel_xfer.pixelmap_sampler_view);
+ num_sampler_view++;
}
+
+ /* update fragment program constants */
+ st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
}
- /* update fragment program constants */
- st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
+ /* Put glDrawPixels image into a texture */
+ pt = make_texture(st, width, height, format, type, unpack, pixels);
+ if (!pt) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
+ return;
+ }
- /* draw with textured quad */
- {
- struct pipe_resource *pt
- = make_texture(st, width, height, format, type, unpack, pixels);
- if (pt) {
- sv[0] = st_create_texture_sampler_view(st->pipe, pt);
-
- if (sv[0]) {
- /* Create a second sampler view to read stencil.
- * The stencil is written using the shader stencil export
- * functionality. */
- if (write_stencil) {
- enum pipe_format stencil_format = PIPE_FORMAT_NONE;
-
- switch (pt->format) {
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_X24S8_USCALED:
- stencil_format = PIPE_FORMAT_X24S8_USCALED;
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_S8X24_USCALED:
- stencil_format = PIPE_FORMAT_S8X24_USCALED;
- break;
- case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
- case PIPE_FORMAT_X32_S8X24_USCALED:
- stencil_format = PIPE_FORMAT_X32_S8X24_USCALED;
- break;
- case PIPE_FORMAT_S8_USCALED:
- stencil_format = PIPE_FORMAT_S8_USCALED;
- break;
- default:
- assert(0);
- }
+ /* create sampler view for the image */
+ sv[0] = st_create_texture_sampler_view(st->pipe, pt);
+ if (!sv[0]) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
+ pipe_resource_reference(&pt, NULL);
+ return;
+ }
- sv[1] = st_create_texture_sampler_view_format(st->pipe, pt,
- stencil_format);
- num_sampler_view++;
- }
-
- draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2],
- width, height,
- ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
- sv,
- num_sampler_view,
- driver_vp,
- driver_fp,
- color, GL_FALSE, write_depth, write_stencil);
- pipe_sampler_view_reference(&sv[0], NULL);
- if (num_sampler_view > 1)
- pipe_sampler_view_reference(&sv[1], NULL);
- }
+ /* Create a second sampler view to read stencil. The stencil is
+ * written using the shader stencil export functionality.
+ */
+ if (write_stencil) {
+ enum pipe_format stencil_format =
+ util_format_stencil_only(pt->format);
+ /* we should not be doing pixel map/transfer (see above) */
+ assert(num_sampler_view == 1);
+ sv[1] = st_create_texture_sampler_view_format(st->pipe, pt,
+ stencil_format);
+ if (!sv[1]) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
pipe_resource_reference(&pt, NULL);
+ pipe_sampler_view_reference(&sv[0], NULL);
+ return;
}
+ num_sampler_view++;
}
+
+ draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2],
+ width, height,
+ ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
+ sv,
+ num_sampler_view,
+ driver_vp,
+ driver_fp, fpv,
+ color, GL_FALSE, write_depth, write_stencil);
+ pipe_sampler_view_reference(&sv[0], NULL);
+ if (num_sampler_view > 1)
+ pipe_sampler_view_reference(&sv[1], NULL);
+
+ pipe_resource_reference(&pt, NULL);
}
return;
}
- /* Get the dest renderbuffer. If there's a wrapper, use the
- * underlying renderbuffer.
- */
- rbDraw = st_renderbuffer(ctx->DrawBuffer->_StencilBuffer);
- if (rbDraw->Base.Wrapped)
- rbDraw = st_renderbuffer(rbDraw->Base.Wrapped);
+ /* Get the dest renderbuffer */
+ rbDraw = st_renderbuffer(ctx->DrawBuffer->
+ Attachment[BUFFER_STENCIL].Renderbuffer);
/* this will do stencil pixel transfer ops */
- st_read_stencil_pixels(ctx, srcx, srcy, width, height,
- GL_STENCIL_INDEX, GL_UNSIGNED_BYTE,
- &ctx->DefaultPacking, buffer);
+ _mesa_readpixels(ctx, srcx, srcy, width, height,
+ GL_STENCIL_INDEX, GL_UNSIGNED_BYTE,
+ &ctx->DefaultPacking, buffer);
if (0) {
/* debug code: dump stencil values */
}
}
- if (util_format_get_component_bits(rbDraw->format,
- UTIL_FORMAT_COLORSPACE_ZS, 0) != 0)
+ if (_mesa_is_format_packed_depth_stencil(rbDraw->Base.Format))
usage = PIPE_TRANSFER_READ_WRITE;
else
usage = PIPE_TRANSFER_WRITE;
dsty = rbDraw->Base.Height - dsty - height;
}
- ptDraw = pipe_get_transfer(pipe,
- rbDraw->texture,
- rbDraw->rtt_level,
- rbDraw->rtt_face + rbDraw->rtt_slice,
- usage, dstx, dsty,
- width, height);
-
- assert(util_format_get_blockwidth(ptDraw->resource->format) == 1);
- assert(util_format_get_blockheight(ptDraw->resource->format) == 1);
+ assert(util_format_get_blockwidth(rbDraw->texture->format) == 1);
+ assert(util_format_get_blockheight(rbDraw->texture->format) == 1);
/* map the stencil buffer */
- drawMap = pipe_transfer_map(pipe, ptDraw);
+ drawMap = pipe_transfer_map(pipe,
+ rbDraw->texture,
+ rbDraw->surface->u.tex.level,
+ rbDraw->surface->u.tex.first_layer,
+ usage, dstx, dsty,
+ width, height, &ptDraw);
/* draw */
/* XXX PixelZoom not handled yet */
dst = drawMap + y * ptDraw->stride;
src = buffer + i * width;
- switch (ptDraw->resource->format) {
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- {
- uint *dst4 = (uint *) dst;
- int j;
- assert(usage == PIPE_TRANSFER_READ_WRITE);
- for (j = 0; j < width; j++) {
- *dst4 = (*dst4 & 0xffffff) | (src[j] << 24);
- dst4++;
- }
- }
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- {
- uint *dst4 = (uint *) dst;
- int j;
- assert(usage == PIPE_TRANSFER_READ_WRITE);
- for (j = 0; j < width; j++) {
- *dst4 = (*dst4 & 0xffffff00) | (src[j] & 0xff);
- dst4++;
- }
- }
- break;
- case PIPE_FORMAT_S8_USCALED:
- assert(usage == PIPE_TRANSFER_WRITE);
- memcpy(dst, src, width);
- break;
- case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
- {
- uint *dst4 = (uint *) dst;
- int j;
- dst4++;
- assert(usage == PIPE_TRANSFER_READ_WRITE);
- for (j = 0; j < width; j++) {
- *dst4 = src[j] & 0xff;
- dst4 += 2;
- }
- }
- break;
- default:
- assert(0);
- }
+ _mesa_pack_ubyte_stencil_row(rbDraw->Base.Format, width, src, dst);
}
free(buffer);
/* unmap the stencil buffer */
pipe_transfer_unmap(pipe, ptDraw);
- pipe->transfer_destroy(pipe, ptDraw);
}
-/** Do the src/dest regions overlap? */
-static GLboolean
-regions_overlap(GLint srcX, GLint srcY, GLint dstX, GLint dstY,
- GLsizei width, GLsizei height)
+/**
+ * Return renderbuffer to use for reading color pixels for glCopyPixels
+ */
+static struct st_renderbuffer *
+st_get_color_read_renderbuffer(struct gl_context *ctx)
{
- if (srcX + width <= dstX ||
- dstX + width <= srcX ||
- srcY + height <= dstY ||
- dstY + height <= srcY)
- return GL_FALSE;
- else
- return GL_TRUE;
+ struct gl_framebuffer *fb = ctx->ReadBuffer;
+ struct st_renderbuffer *strb =
+ st_renderbuffer(fb->_ColorReadBuffer);
+
+ return strb;
}
/**
* Try to do a glCopyPixels for simple cases with a blit by calling
- * pipe->resource_copy_region().
+ * pipe->blit().
*
* We can do this when we're copying color pixels (depth/stencil
* eventually) with no pixel zoom, no pixel transfer ops, no
- * per-fragment ops, the src/dest regions don't overlap and the
- * src/dest pixel formats are the same.
+ * per-fragment ops, and the src/dest regions don't overlap.
*/
static GLboolean
blit_copy_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
struct gl_pixelstore_attrib pack, unpack;
- GLint readX, readY, readW, readH;
+ GLint readX, readY, readW, readH, drawX, drawY, drawW, drawH;
if (type == GL_COLOR &&
ctx->Pixel.ZoomX == 1.0 &&
!ctx->Stencil.Enabled &&
!ctx->FragmentProgram.Enabled &&
!ctx->VertexProgram.Enabled &&
- !ctx->Shader.CurrentFragmentProgram &&
- st_fb_orientation(ctx->ReadBuffer) == st_fb_orientation(ctx->DrawBuffer) &&
+ !ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT] &&
ctx->DrawBuffer->_NumColorDrawBuffers == 1 &&
- !ctx->Query.CondRenderQuery) {
+ !ctx->Query.CondRenderQuery &&
+ !ctx->Query.CurrentOcclusionObject) {
struct st_renderbuffer *rbRead, *rbDraw;
- GLint drawX, drawY;
/*
* Clip the read region against the src buffer bounds.
readX = readX - pack.SkipPixels + unpack.SkipPixels;
readY = readY - pack.SkipRows + unpack.SkipRows;
+ drawW = readW;
+ drawH = readH;
+
rbRead = st_get_color_read_renderbuffer(ctx);
rbDraw = st_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]);
- if ((rbRead != rbDraw ||
- !regions_overlap(readX, readY, drawX, drawY, readW, readH)) &&
- rbRead->Base.Format == rbDraw->Base.Format) {
- struct pipe_box srcBox;
-
- /* flip src/dst position if needed */
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- /* both buffers will have the same orientation */
- readY = ctx->ReadBuffer->Height - readY - readH;
- drawY = ctx->DrawBuffer->Height - drawY - readH;
- }
+ /* Flip src/dst position depending on the orientation of buffers. */
+ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+ readY = rbRead->Base.Height - readY;
+ readH = -readH;
+ }
- u_box_2d(readX, readY, readW, readH, &srcBox);
+ if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
+ /* We can't flip the destination for pipe->blit, so we only adjust
+ * its position and flip the source.
+ */
+ drawY = rbDraw->Base.Height - drawY - drawH;
+ readY += readH;
+ readH = -readH;
+ }
- pipe->resource_copy_region(pipe,
- rbDraw->texture,
- rbDraw->rtt_level, drawX, drawY, 0,
- rbRead->texture,
- rbRead->rtt_level, &srcBox);
- return GL_TRUE;
+ if (rbRead != rbDraw ||
+ !_mesa_regions_overlap(readX, readY, readX + readW, readY + readH,
+ drawX, drawY, drawX + drawW, drawY + drawH)) {
+ struct pipe_blit_info blit;
+
+ memset(&blit, 0, sizeof(blit));
+ blit.src.resource = rbRead->texture;
+ blit.src.level = rbRead->surface->u.tex.level;
+ blit.src.format = rbRead->texture->format;
+ blit.src.box.x = readX;
+ blit.src.box.y = readY;
+ blit.src.box.z = rbRead->surface->u.tex.first_layer;
+ blit.src.box.width = readW;
+ blit.src.box.height = readH;
+ blit.src.box.depth = 1;
+ blit.dst.resource = rbDraw->texture;
+ blit.dst.level = rbDraw->surface->u.tex.level;
+ blit.dst.format = rbDraw->texture->format;
+ blit.dst.box.x = drawX;
+ blit.dst.box.y = drawY;
+ blit.dst.box.z = rbDraw->surface->u.tex.first_layer;
+ blit.dst.box.width = drawW;
+ blit.dst.box.height = drawH;
+ blit.dst.box.depth = 1;
+ blit.mask = PIPE_MASK_RGBA;
+ blit.filter = PIPE_TEX_FILTER_NEAREST;
+
+ if (screen->is_format_supported(screen, blit.src.format,
+ blit.src.resource->target,
+ blit.src.resource->nr_samples,
+ PIPE_BIND_SAMPLER_VIEW) &&
+ screen->is_format_supported(screen, blit.dst.format,
+ blit.dst.resource->target,
+ blit.dst.resource->nr_samples,
+ PIPE_BIND_RENDER_TARGET)) {
+ pipe->blit(pipe, &blit);
+ return GL_TRUE;
+ }
}
}
struct st_renderbuffer *rbRead;
void *driver_vp, *driver_fp;
struct pipe_resource *pt;
- struct pipe_sampler_view *sv[2];
+ struct pipe_sampler_view *sv[2] = { NULL };
+ struct st_fp_variant *fpv = NULL;
int num_sampler_view = 1;
GLfloat *color;
- enum pipe_format srcFormat, texFormat;
+ enum pipe_format srcFormat;
+ unsigned srcBind;
GLboolean invertTex = GL_FALSE;
GLint readX, readY, readW, readH;
- GLuint sample_count;
struct gl_pixelstore_attrib pack = ctx->DefaultPacking;
- struct st_fp_variant *fpv;
st_validate_state(st);
+ if (type == GL_DEPTH_STENCIL) {
+ /* XXX make this more efficient */
+ st_CopyPixels(ctx, srcx, srcy, width, height, dstx, dsty, GL_STENCIL);
+ st_CopyPixels(ctx, srcx, srcy, width, height, dstx, dsty, GL_DEPTH);
+ return;
+ }
+
if (type == GL_STENCIL) {
/* can't use texturing to do stencil */
copy_stencil_pixels(ctx, srcx, srcy, width, height, dstx, dsty);
* Get vertex/fragment shaders
*/
if (type == GL_COLOR) {
+ fpv = get_color_fp_variant(st);
+
rbRead = st_get_color_read_renderbuffer(ctx);
color = NULL;
- fpv = get_color_fp_variant(st);
driver_fp = fpv->driver_shader;
-
driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
- if (st->pixel_xfer.pixelmap_enabled) {
- sv[1] = st->pixel_xfer.pixelmap_sampler_view;
- num_sampler_view++;
+ if (ctx->Pixel.MapColorFlag) {
+ pipe_sampler_view_reference(&sv[1],
+ st->pixel_xfer.pixelmap_sampler_view);
+ num_sampler_view++;
}
+
+ /* update fragment program constants */
+ st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
}
else {
assert(type == GL_DEPTH);
- rbRead = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer);
+ rbRead = st_renderbuffer(ctx->ReadBuffer->
+ Attachment[BUFFER_DEPTH].Renderbuffer);
color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
- fpv = get_depth_stencil_fp_variant(st, GL_TRUE, GL_FALSE);
- driver_fp = fpv->driver_shader;
-
+ driver_fp = get_drawpix_z_stencil_program(st, GL_TRUE, GL_FALSE);
driver_vp = make_passthrough_vertex_shader(st, GL_TRUE);
}
- /* update fragment program constants */
- st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
-
-
- if (rbRead->Base.Wrapped)
- rbRead = st_renderbuffer(rbRead->Base.Wrapped);
-
- sample_count = rbRead->texture->nr_samples;
- /* I believe this would be legal, presumably would need to do a resolve
- for color, and for depth/stencil spec says to just use one of the
- depth/stencil samples per pixel? Need some transfer clarifications. */
- assert(sample_count < 2);
-
+ /* Choose the format for the temporary texture. */
srcFormat = rbRead->texture->format;
+ srcBind = PIPE_BIND_SAMPLER_VIEW |
+ (type == GL_COLOR ? PIPE_BIND_RENDER_TARGET : PIPE_BIND_DEPTH_STENCIL);
- if (screen->is_format_supported(screen, srcFormat, st->internal_target,
- sample_count,
- PIPE_BIND_SAMPLER_VIEW)) {
- texFormat = srcFormat;
- }
- else {
- /* srcFormat can't be used as a texture format */
+ if (!screen->is_format_supported(screen, srcFormat, st->internal_target, 0,
+ srcBind)) {
+ /* srcFormat is non-renderable. Find a compatible renderable format. */
if (type == GL_DEPTH) {
- texFormat = st_choose_format(screen, GL_DEPTH_COMPONENT,
- GL_NONE, GL_NONE, st->internal_target,
- sample_count, PIPE_BIND_DEPTH_STENCIL);
- assert(texFormat != PIPE_FORMAT_NONE);
+ srcFormat = st_choose_format(st, GL_DEPTH_COMPONENT, GL_NONE,
+ GL_NONE, st->internal_target, 0,
+ srcBind, FALSE);
}
else {
- /* default color format */
- texFormat = st_choose_format(screen, GL_RGBA,
- GL_NONE, GL_NONE, st->internal_target,
- sample_count, PIPE_BIND_SAMPLER_VIEW);
- assert(texFormat != PIPE_FORMAT_NONE);
+ assert(type == GL_COLOR);
+
+ if (util_format_is_float(srcFormat)) {
+ srcFormat = st_choose_format(st, GL_RGBA32F, GL_NONE,
+ GL_NONE, st->internal_target, 0,
+ srcBind, FALSE);
+ }
+ else if (util_format_is_pure_sint(srcFormat)) {
+ srcFormat = st_choose_format(st, GL_RGBA32I, GL_NONE,
+ GL_NONE, st->internal_target, 0,
+ srcBind, FALSE);
+ }
+ else if (util_format_is_pure_uint(srcFormat)) {
+ srcFormat = st_choose_format(st, GL_RGBA32UI, GL_NONE,
+ GL_NONE, st->internal_target, 0,
+ srcBind, FALSE);
+ }
+ else if (util_format_is_snorm(srcFormat)) {
+ srcFormat = st_choose_format(st, GL_RGBA16_SNORM, GL_NONE,
+ GL_NONE, st->internal_target, 0,
+ srcBind, FALSE);
+ }
+ else {
+ srcFormat = st_choose_format(st, GL_RGBA, GL_NONE,
+ GL_NONE, st->internal_target, 0,
+ srcBind, FALSE);
+ }
+ }
+
+ if (srcFormat == PIPE_FORMAT_NONE) {
+ assert(0 && "cannot choose a format for src of CopyPixels");
+ return;
}
}
readY = srcy;
readW = width;
readH = height;
- _mesa_clip_readpixels(ctx, &readX, &readY, &readW, &readH, &pack);
+ if (!_mesa_clip_readpixels(ctx, &readX, &readY, &readW, &readH, &pack)) {
+ /* The source region is completely out of bounds. Do nothing.
+ * The GL spec says "Results of copies from outside the window,
+ * or from regions of the window that are not exposed, are
+ * hardware dependent and undefined."
+ */
+ return;
+ }
+
readW = MAX2(0, readW);
readH = MAX2(0, readH);
- /* alloc temporary texture */
- pt = alloc_texture(st, width, height, texFormat);
+ /* Allocate the temporary texture. */
+ pt = alloc_texture(st, width, height, srcFormat, srcBind);
if (!pt)
return;
return;
}
- /* Make temporary texture which is a copy of the src region.
- */
- if (srcFormat == texFormat) {
- struct pipe_box src_box;
- u_box_2d(readX, readY, readW, readH, &src_box);
- /* copy source framebuffer surface into mipmap/texture */
- pipe->resource_copy_region(pipe,
- pt, /* dest tex */
- 0, /* dest lvl */
- pack.SkipPixels, pack.SkipRows, 0, /* dest pos */
- rbRead->texture, /* src tex */
- rbRead->rtt_level, /* src lvl */
- &src_box);
-
- }
- else {
- /* CPU-based fallback/conversion */
- struct pipe_transfer *ptRead =
- pipe_get_transfer(st->pipe, rbRead->texture,
- rbRead->rtt_level,
- rbRead->rtt_face + rbRead->rtt_slice,
- PIPE_TRANSFER_READ,
- readX, readY, readW, readH);
- struct pipe_transfer *ptTex;
- enum pipe_transfer_usage transfer_usage;
-
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s: fallback processing\n", __FUNCTION__);
-
- if (type == GL_DEPTH && util_format_is_depth_and_stencil(pt->format))
- transfer_usage = PIPE_TRANSFER_READ_WRITE;
- else
- transfer_usage = PIPE_TRANSFER_WRITE;
-
- ptTex = pipe_get_transfer(st->pipe, pt, 0, 0, transfer_usage,
- 0, 0, width, height);
-
- /* copy image from ptRead surface to ptTex surface */
- if (type == GL_COLOR) {
- /* alternate path using get/put_tile() */
- GLfloat *buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- enum pipe_format readFormat, drawFormat;
- readFormat = util_format_linear(rbRead->texture->format);
- drawFormat = util_format_linear(pt->format);
- pipe_get_tile_rgba_format(pipe, ptRead, 0, 0, readW, readH,
- readFormat, buf);
- pipe_put_tile_rgba_format(pipe, ptTex, pack.SkipPixels, pack.SkipRows,
- readW, readH, drawFormat, buf);
- free(buf);
- }
- else {
- /* GL_DEPTH */
- GLuint *buf = (GLuint *) malloc(width * height * sizeof(GLuint));
- pipe_get_tile_z(pipe, ptRead, 0, 0, readW, readH, buf);
- pipe_put_tile_z(pipe, ptTex, pack.SkipPixels, pack.SkipRows,
- readW, readH, buf);
- free(buf);
- }
-
- pipe->transfer_destroy(pipe, ptRead);
- pipe->transfer_destroy(pipe, ptTex);
+ /* Copy the src region to the temporary texture. */
+ {
+ struct pipe_blit_info blit;
+
+ memset(&blit, 0, sizeof(blit));
+ blit.src.resource = rbRead->texture;
+ blit.src.level = rbRead->surface->u.tex.level;
+ blit.src.format = rbRead->texture->format;
+ blit.src.box.x = readX;
+ blit.src.box.y = readY;
+ blit.src.box.z = rbRead->surface->u.tex.first_layer;
+ blit.src.box.width = readW;
+ blit.src.box.height = readH;
+ blit.src.box.depth = 1;
+ blit.dst.resource = pt;
+ blit.dst.level = 0;
+ blit.dst.format = pt->format;
+ blit.dst.box.x = pack.SkipPixels;
+ blit.dst.box.y = pack.SkipRows;
+ blit.dst.box.z = 0;
+ blit.dst.box.width = readW;
+ blit.dst.box.height = readH;
+ blit.dst.box.depth = 1;
+ blit.mask = util_format_get_mask(pt->format) & ~PIPE_MASK_S;
+ blit.filter = PIPE_TEX_FILTER_NEAREST;
+
+ pipe->blit(pipe, &blit);
}
/* OK, the texture 'pt' contains the src image/pixels. Now draw a
sv,
num_sampler_view,
driver_vp,
- driver_fp,
+ driver_fp, fpv,
color, invertTex, GL_FALSE, GL_FALSE);
pipe_resource_reference(&pt, NULL);
{
GLuint i;
- for (i = 0; i < Elements(st->drawpix.shaders); i++) {
- if (st->drawpix.shaders[i])
- _mesa_reference_fragprog(st->ctx, &st->drawpix.shaders[i], NULL);
+ for (i = 0; i < ARRAY_SIZE(st->drawpix.zs_shaders); i++) {
+ if (st->drawpix.zs_shaders[i])
+ cso_delete_fragment_shader(st->cso_context,
+ st->drawpix.zs_shaders[i]);
}
- st_reference_fragprog(st, &st->pixel_xfer.combined_prog, NULL);
if (st->drawpix.vert_shaders[0])
- ureg_free_tokens(st->drawpix.vert_shaders[0]);
+ cso_delete_vertex_shader(st->cso_context, st->drawpix.vert_shaders[0]);
if (st->drawpix.vert_shaders[1])
- ureg_free_tokens(st->drawpix.vert_shaders[1]);
+ cso_delete_vertex_shader(st->cso_context, st->drawpix.vert_shaders[1]);
}
-
-#endif /* FEATURE_drawpix */