#include "main/image.h"
#include "main/bufferobj.h"
#include "main/macros.h"
+#include "main/mfeatures.h"
+#include "main/mtypes.h"
+#include "main/pack.h"
#include "main/texformat.h"
#include "main/texstore.h"
#include "program/program.h"
#include "program/prog_print.h"
+#include "program/prog_instruction.h"
-#include "st_debug.h"
-#include "st_context.h"
#include "st_atom.h"
#include "st_atom_constbuf.h"
-#include "st_program.h"
#include "st_cb_drawpixels.h"
#include "st_cb_readpixels.h"
#include "st_cb_fbo.h"
+#include "st_context.h"
+#include "st_debug.h"
#include "st_format.h"
+#include "st_program.h"
#include "st_texture.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
#include "tgsi/tgsi_ureg.h"
-#include "util/u_tile.h"
#include "util/u_draw_quad.h"
#include "util/u_format.h"
+#include "util/u_inlines.h"
#include "util/u_math.h"
-#include "program/prog_instruction.h"
+#include "util/u_tile.h"
#include "cso_cache/cso_context.h"
/**
* Make fragment shader for glDraw/CopyPixels. This shader is made
* by combining the pixel transfer shader with the user-defined shader.
- * \return pointer to Gallium driver fragment shader
+ * \param fpIn the current/incoming fragment program
+ * \param fpOut returns the combined fragment program
*/
-static void *
-combined_drawpix_fragment_program(GLcontext *ctx)
+void
+st_make_drawpix_fragment_program(struct st_context *st,
+ struct gl_fragment_program *fpIn,
+ struct gl_fragment_program **fpOut)
{
- struct st_context *st = st_context(ctx);
- struct st_fragment_program *stfp;
+ struct gl_program *newProg;
- if (st->pixel_xfer.program->serialNo == st->pixel_xfer.xfer_prog_sn
- && st->fp->serialNo == st->pixel_xfer.user_prog_sn) {
- /* the pixel tranfer program has not changed and the user-defined
- * program has not changed, so re-use the combined program.
- */
- stfp = st->pixel_xfer.combined_prog;
+ if (is_passthrough_program(fpIn)) {
+ newProg = (struct gl_program *) _mesa_clone_fragment_program(st->ctx,
+ &st->pixel_xfer.program->Base);
}
else {
- /* Concatenate the pixel transfer program with the current user-
- * defined program.
- */
- if (is_passthrough_program(&st->fp->Base)) {
- stfp = (struct st_fragment_program *)
- _mesa_clone_fragment_program(ctx, &st->pixel_xfer.program->Base);
- }
- else {
#if 0
- printf("Base program:\n");
- _mesa_print_program(&st->fp->Base.Base);
- printf("DrawPix program:\n");
- _mesa_print_program(&st->pixel_xfer.program->Base.Base);
+ /* debug */
+ printf("Base program:\n");
+ _mesa_print_program(&fpIn->Base);
+ printf("DrawPix program:\n");
+ _mesa_print_program(&st->pixel_xfer.program->Base.Base);
#endif
- stfp = (struct st_fragment_program *)
- _mesa_combine_programs(ctx,
- &st->pixel_xfer.program->Base.Base,
- &st->fp->Base.Base);
- }
+ newProg = _mesa_combine_programs(st->ctx,
+ &st->pixel_xfer.program->Base.Base,
+ &fpIn->Base);
+ }
#if 0
- {
- struct gl_program *p = &stfp->Base.Base;
- printf("Combined DrawPixels program:\n");
- _mesa_print_program(p);
- printf("InputsRead: 0x%x\n", p->InputsRead);
- printf("OutputsWritten: 0x%x\n", p->OutputsWritten);
- _mesa_print_parameter_list(p->Parameters);
- }
+ /* 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
- /* translate to TGSI tokens */
- st_translate_fragment_program(st, stfp);
-
- /* save new program, update serial numbers */
- st->pixel_xfer.xfer_prog_sn = st->pixel_xfer.program->serialNo;
- st->pixel_xfer.user_prog_sn = st->fp->serialNo;
- st->pixel_xfer.combined_prog_sn = stfp->serialNo;
- /* can't reference new program directly, already have a reference on it */
- st_reference_fragprog(st, &st->pixel_xfer.combined_prog, NULL);
- st->pixel_xfer.combined_prog = stfp;
- }
-
- /* Ideally we'd have updated the pipe constants during the normal
- * st/atom mechanism. But we can't since this is specific to glDrawPixels.
- */
- st_upload_constants(st, stfp->Base.Base.Parameters, PIPE_SHADER_FRAGMENT);
-
- return stfp->driver_shader;
+ *fpOut = (struct gl_fragment_program *) newProg;
}
/**
- * Create fragment shader that does a TEX() instruction to get a Z
- * value, then writes to FRAG_RESULT_DEPTH.
+ * 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 Gallium driver fragment shader
+ * \return pointer to the gl_fragment program
*/
-static void *
-make_fragment_shader_z(struct st_context *st)
+struct gl_fragment_program *
+st_make_drawpix_z_stencil_program(struct st_context *st,
+ GLboolean write_depth,
+ GLboolean write_stencil)
{
- GLcontext *ctx = st->ctx;
+ struct gl_context *ctx = st->ctx;
struct gl_program *p;
+ struct gl_fragment_program *fp;
GLuint ic = 0;
+ const GLuint shaderIndex = write_depth * 2 + write_stencil;
+
+ assert(shaderIndex < Elements(st->drawpix.shaders));
- if (st->drawpix.z_shader) {
- return st->drawpix.z_shader->driver_shader;
+ if (st->drawpix.shaders[shaderIndex]) {
+ /* already have the proper shader */
+ return st->drawpix.shaders[shaderIndex];
}
/*
if (!p)
return NULL;
- p->NumInstructions = 3;
+ p->NumInstructions = write_depth ? 2 : 1;
+ p->NumInstructions += write_stencil ? 1 : 0;
p->Instructions = _mesa_alloc_instructions(p->NumInstructions);
if (!p->Instructions) {
}
_mesa_init_instructions(p->Instructions, p->NumInstructions);
- /* 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++;
-
- /* MOV result.color, fragment.color */
- p->Instructions[ic].Opcode = OPCODE_MOV;
- p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT;
- p->Instructions[ic].DstReg.Index = FRAG_RESULT_COLOR;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
- p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_COL0;
- ic++;
+ 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++;
+ }
+
+ 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++;
+ }
/* END; */
p->Instructions[ic++].Opcode = OPCODE_END;
assert(ic == p->NumInstructions);
p->InputsRead = FRAG_BIT_TEX0 | FRAG_BIT_COL0;
- p->OutputsWritten = (1 << FRAG_RESULT_COLOR) | (1 << FRAG_RESULT_DEPTH);
- p->SamplersUsed = 0x1; /* sampler 0 (bit 0) is used */
+ p->OutputsWritten = 0;
+ if (write_depth)
+ p->OutputsWritten |= (1 << FRAG_RESULT_DEPTH);
+ if (write_stencil)
+ p->OutputsWritten |= (1 << FRAG_RESULT_STENCIL);
- st->drawpix.z_shader = (struct st_fragment_program *) p;
- st_translate_fragment_program(st, st->drawpix.z_shader);
+ p->SamplersUsed = 0x1; /* sampler 0 (bit 0) is used */
+ if (write_stencil)
+ p->SamplersUsed |= 1 << 1;
- return st->drawpix.z_shader->driver_shader;
-}
+ fp = (struct gl_fragment_program *) p;
+ /* save the new shader */
+ st->drawpix.shaders[shaderIndex] = fp;
+
+ return fp;
+}
/**
GLboolean passColor)
{
if (!st->drawpix.vert_shaders[passColor]) {
- struct ureg_program *ureg =
- ureg_create( TGSI_PROCESSOR_VERTEX );
+ struct ureg_program *ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
if (ureg == NULL)
return NULL;
/**
- * Return a texture internalFormat for drawing/copying an image
- * of the given type.
+ * Return a texture base format for drawing/copying an image
+ * of the given format.
*/
static GLenum
base_format(GLenum format)
}
+/**
+ * Return a texture internalFormat for drawing/copying an image
+ * of the given format and type.
+ */
+static GLenum
+internal_format(GLenum format, GLenum type)
+{
+ switch (format) {
+ case GL_DEPTH_COMPONENT:
+ return GL_DEPTH_COMPONENT;
+ case GL_DEPTH_STENCIL:
+ return GL_DEPTH_STENCIL;
+ case GL_STENCIL_INDEX:
+ return GL_STENCIL_INDEX;
+ default:
+ if (_mesa_is_integer_format(format)) {
+ switch (type) {
+ case GL_BYTE:
+ return GL_RGBA8I;
+ case GL_UNSIGNED_BYTE:
+ return GL_RGBA8UI;
+ case GL_SHORT:
+ return GL_RGBA16I;
+ case GL_UNSIGNED_SHORT:
+ return GL_RGBA16UI;
+ case GL_INT:
+ return GL_RGBA32I;
+ case GL_UNSIGNED_INT:
+ return GL_RGBA32UI;
+ default:
+ assert(0 && "Unexpected type in internal_format()");
+ return GL_RGBA_INTEGER;
+ }
+ }
+ else {
+ return GL_RGBA;
+ }
+ }
+}
+
+
/**
* Create a temporary texture to hold an image of the given size.
* If width, height are not POT and the driver only handles POT textures,
alloc_texture(struct st_context *st, GLsizei width, GLsizei height,
enum pipe_format texFormat)
{
- struct pipe_context *pipe = st->pipe;
struct pipe_resource *pt;
pt = st_texture_create(st, st->internal_target, texFormat, 0,
- width, height, 1, PIPE_BIND_SAMPLER_VIEW);
+ width, height, 1, 1, PIPE_BIND_SAMPLER_VIEW);
return pt;
}
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels)
{
- GLcontext *ctx = st->ctx;
+ struct gl_context *ctx = st->ctx;
struct pipe_context *pipe = st->pipe;
gl_format mformat;
struct pipe_resource *pt;
enum pipe_format pipeFormat;
GLuint cpp;
- GLenum baseFormat;
+ GLenum baseFormat, intFormat;
baseFormat = base_format(format);
+ intFormat = internal_format(format, type);
- mformat = st_ChooseTextureFormat(ctx, baseFormat, format, type);
+ mformat = st_ChooseTextureFormat_renderable(ctx, intFormat,
+ format, type, GL_FALSE);
assert(mformat);
pipeFormat = st_mesa_format_to_pipe_format(mformat);
/* we'll do pixel transfer in a fragment shader */
ctx->_ImageTransferState = 0x0;
- transfer = pipe_get_transfer(st->pipe, pt, 0, 0, 0,
- PIPE_TRANSFER_WRITE, 0, 0,
- width, height);
+ 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);
* \param invertTex if true, flip texcoords vertically
*/
static void
-draw_quad(GLcontext *ctx, GLfloat x0, GLfloat y0, GLfloat z,
+draw_quad(struct gl_context *ctx, GLfloat x0, GLfloat y0, GLfloat z,
GLfloat x1, GLfloat y1, const GLfloat *color,
GLboolean invertTex, GLfloat maxXcoord, GLfloat maxYcoord)
{
/* 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, buf, 0,
+ util_draw_vertex_buffer(pipe, st->cso_context, buf, 0,
PIPE_PRIM_QUADS,
4, /* verts */
3); /* attribs/vert */
static void
-draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
+draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
GLsizei width, GLsizei height,
GLfloat zoomX, GLfloat zoomY,
- struct pipe_sampler_view *sv,
+ struct pipe_sampler_view **sv,
+ int num_sampler_view,
void *driver_vp,
void *driver_fp,
const GLfloat *color,
- GLboolean invertTex)
+ GLboolean invertTex,
+ GLboolean write_depth, GLboolean write_stencil)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct cso_context *cso = st->cso_context;
GLfloat x0, y0, x1, y1;
GLsizei maxSize;
- boolean normalized = sv->texture->target != PIPE_TEXTURE_RECT;
+ boolean normalized = sv[0]->texture->target != PIPE_TEXTURE_RECT;
/* limit checks */
/* XXX if DrawPixels image is larger than max texture size, break
* it up into chunks.
*/
- maxSize = 1 << (pipe->screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
+ maxSize = 1 << (pipe->screen->get_param(pipe->screen,
+ PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
assert(width <= maxSize);
assert(height <= maxSize);
cso_save_fragment_shader(cso);
cso_save_vertex_shader(cso);
cso_save_vertex_elements(cso);
+ cso_save_vertex_buffers(cso);
+ if (write_stencil) {
+ cso_save_depth_stencil_alpha(cso);
+ cso_save_blend(cso);
+ }
/* rasterizer state: just scissor */
{
cso_set_rasterizer(cso, &rasterizer);
}
+ if (write_stencil) {
+ /* Stencil writing bypasses the normal fragment pipeline to
+ * disable color writing and set stencil test to always pass.
+ */
+ struct pipe_depth_stencil_alpha_state dsa;
+ struct pipe_blend_state blend;
+
+ /* depth/stencil */
+ memset(&dsa, 0, sizeof(dsa));
+ dsa.stencil[0].enabled = 1;
+ dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
+ dsa.stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff;
+ dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
+ if (write_depth) {
+ /* writing depth+stencil: depth test always passes */
+ dsa.depth.enabled = 1;
+ dsa.depth.writemask = ctx->Depth.Mask;
+ dsa.depth.func = PIPE_FUNC_ALWAYS;
+ }
+ cso_set_depth_stencil_alpha(cso, &dsa);
+
+ /* blend (colormask) */
+ memset(&blend, 0, sizeof(blend));
+ cso_set_blend(cso, &blend);
+ }
+
/* fragment shader state: TEX lookup program */
cso_set_fragment_shader_handle(cso, driver_fp);
sampler.normalized_coords = normalized;
cso_single_sampler(cso, 0, &sampler);
- if (st->pixel_xfer.pixelmap_enabled) {
+ if (num_sampler_view > 1) {
cso_single_sampler(cso, 1, &sampler);
}
cso_single_sampler_done(cso);
cso_set_vertex_elements(cso, 3, st->velems_util_draw);
/* texture state: */
- if (st->pixel_xfer.pixelmap_enabled) {
- struct pipe_sampler_view *sampler_views[2];
- sampler_views[0] = sv;
- sampler_views[1] = st->pixel_xfer.pixelmap_sampler_view;
- cso_set_fragment_sampler_views(cso, 2, sampler_views);
- }
- else {
- cso_set_fragment_sampler_views(cso, 1, &sv);
- }
+ cso_set_fragment_sampler_views(cso, num_sampler_view, sv);
/* Compute Gallium window coords (y=0=top) with pixel zoom.
* Recall that these coords are transformed by the current
z = z * 2.0 - 1.0;
draw_quad(ctx, x0, y0, z, x1, y1, color, invertTex,
- normalized ? ((GLfloat) width / sv->texture->width0) : (GLfloat)width,
- normalized ? ((GLfloat) height / sv->texture->height0) : (GLfloat)height);
+ normalized ? ((GLfloat) width / sv[0]->texture->width0) : (GLfloat)width,
+ normalized ? ((GLfloat) height / sv[0]->texture->height0) : (GLfloat)height);
/* restore state */
cso_restore_rasterizer(cso);
cso_restore_fragment_shader(cso);
cso_restore_vertex_shader(cso);
cso_restore_vertex_elements(cso);
+ cso_restore_vertex_buffers(cso);
+ if (write_stencil) {
+ cso_restore_depth_stencil_alpha(cso);
+ cso_restore_blend(cso);
+ }
}
+/**
+ * Software fallback to do glDrawPixels(GL_STENCIL_INDEX) when we
+ * can't use a fragment shader to write stencil values.
+ */
static void
-draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
+draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
GLsizei width, GLsizei height, GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels)
}
if(format != GL_DEPTH_STENCIL &&
- util_format_get_component_bits(strb->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0)
+ util_format_get_component_bits(strb->format,
+ UTIL_FORMAT_COLORSPACE_ZS, 0) != 0)
usage = PIPE_TRANSFER_READ_WRITE;
else
usage = PIPE_TRANSFER_WRITE;
- pt = pipe_get_transfer(st_context(ctx)->pipe, strb->texture, 0, 0, 0,
- usage, x, y,
- width, height);
+ pt = pipe_get_transfer(st_context(ctx)->pipe, strb->texture, 0, 0,
+ usage, x, y,
+ width, height);
stmap = pipe_transfer_map(pipe, pt);
}
+/**
+ * Get fragment program variant for a glDrawPixels or glCopyPixels
+ * command for RGBA data.
+ */
+static struct st_fp_variant *
+get_color_fp_variant(struct st_context *st)
+{
+ struct gl_context *ctx = st->ctx;
+ struct st_fp_variant_key key;
+ struct st_fp_variant *fpv;
+
+ memset(&key, 0, sizeof(key));
+
+ key.st = st;
+ key.drawpixels = 1;
+ key.scaleAndBias = (ctx->Pixel.RedBias != 0.0 ||
+ ctx->Pixel.RedScale != 1.0 ||
+ ctx->Pixel.GreenBias != 0.0 ||
+ ctx->Pixel.GreenScale != 1.0 ||
+ ctx->Pixel.BlueBias != 0.0 ||
+ ctx->Pixel.BlueScale != 1.0 ||
+ ctx->Pixel.AlphaBias != 0.0 ||
+ ctx->Pixel.AlphaScale != 1.0);
+ key.pixelMaps = ctx->Pixel.MapColorFlag;
+
+ fpv = st_get_fp_variant(st, st->fp, &key);
+
+ return fpv;
+}
+
+
+/**
+ * Get fragment program variant for a glDrawPixels or glCopyPixels
+ * command for depth/stencil data.
+ */
+static struct st_fp_variant *
+get_depth_stencil_fp_variant(struct st_context *st, GLboolean write_depth,
+ GLboolean write_stencil)
+{
+ 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;
+}
+
+
/**
* Called via ctx->Driver.DrawPixels()
*/
static void
-st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
+st_DrawPixels(struct gl_context *ctx, GLint x, GLint y,
+ GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack, const GLvoid *pixels)
{
void *driver_vp, *driver_fp;
struct st_context *st = st_context(ctx);
const GLfloat *color;
-
- if (format == GL_STENCIL_INDEX ||
- format == GL_DEPTH_STENCIL) {
- draw_stencil_pixels(ctx, x, y, width, height, format, type,
- unpack, pixels);
- return;
+ struct pipe_context *pipe = st->pipe;
+ GLboolean write_stencil = GL_FALSE, write_depth = GL_FALSE;
+ struct pipe_sampler_view *sv[2];
+ int num_sampler_view = 1;
+ enum pipe_format stencil_format = PIPE_FORMAT_NONE;
+ struct st_fp_variant *fpv;
+
+ if (format == GL_DEPTH_STENCIL)
+ write_stencil = write_depth = GL_TRUE;
+ else if (format == GL_STENCIL_INDEX)
+ write_stencil = GL_TRUE;
+ else if (format == GL_DEPTH_COMPONENT)
+ write_depth = GL_TRUE;
+
+ if (write_stencil) {
+ enum pipe_format tex_format;
+ /* can we write to stencil if not fallback */
+ if (!pipe->screen->get_param(pipe->screen, PIPE_CAP_SHADER_STENCIL_EXPORT))
+ goto stencil_fallback;
+
+ tex_format = st_choose_format(st->pipe->screen, base_format(format),
+ PIPE_TEXTURE_2D,
+ 0, PIPE_BIND_SAMPLER_VIEW);
+ if (tex_format == PIPE_FORMAT_Z24_UNORM_S8_USCALED)
+ stencil_format = PIPE_FORMAT_X24S8_USCALED;
+ else if (tex_format == PIPE_FORMAT_S8_USCALED_Z24_UNORM)
+ stencil_format = PIPE_FORMAT_S8X24_USCALED;
+ else
+ stencil_format = PIPE_FORMAT_S8_USCALED;
+ if (stencil_format == PIPE_FORMAT_NONE)
+ goto stencil_fallback;
}
/* Mesa state should be up to date by now */
st_validate_state(st);
- if (format == GL_DEPTH_COMPONENT) {
- driver_fp = make_fragment_shader_z(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_vp = make_passthrough_vertex_shader(st, GL_TRUE);
+
color = ctx->Current.RasterColor;
}
else {
- driver_fp = combined_drawpix_fragment_program(ctx);
+ 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++;
+ }
}
+ /* update fragment program constants */
+ st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
+
/* draw with textured quad */
{
struct pipe_resource *pt
= make_texture(st, width, height, format, type, unpack, pixels);
if (pt) {
- struct pipe_sampler_view *sv = st_create_texture_sampler_view(st->pipe, pt);
+ sv[0] = st_create_texture_sampler_view(st->pipe, pt);
+
+ if (sv[0]) {
+ if (write_stencil) {
+ sv[1] = st_create_texture_sampler_view_format(st->pipe, pt,
+ stencil_format);
+ num_sampler_view++;
+ }
- if (sv) {
draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2],
- width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
+ width, height,
+ ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
sv,
- driver_vp,
+ num_sampler_view,
+ driver_vp,
driver_fp,
- color, GL_FALSE);
- pipe_sampler_view_reference(&sv, NULL);
+ 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;
+
+stencil_fallback:
+ draw_stencil_pixels(ctx, x, y, width, height, format, type,
+ unpack, pixels);
}
+/**
+ * Software fallback for glCopyPixels(GL_STENCIL).
+ */
static void
-copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
+copy_stencil_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint dstx, GLint dsty)
{
- struct st_renderbuffer *rbDraw = st_renderbuffer(ctx->DrawBuffer->_StencilBuffer);
+ struct st_renderbuffer *rbDraw;
struct pipe_context *pipe = st_context(ctx)->pipe;
enum pipe_transfer_usage usage;
struct pipe_transfer *ptDraw;
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);
+
/* 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);
- if(util_format_get_component_bits(rbDraw->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0)
+ if (0) {
+ /* debug code: dump stencil values */
+ GLint row, col;
+ for (row = 0; row < height; row++) {
+ printf("%3d: ", row);
+ for (col = 0; col < width; col++) {
+ printf("%02x ", buffer[col + row * width]);
+ }
+ printf("\n");
+ }
+ }
+
+ if (util_format_get_component_bits(rbDraw->format,
+ UTIL_FORMAT_COLORSPACE_ZS, 0) != 0)
usage = PIPE_TRANSFER_READ_WRITE;
else
usage = PIPE_TRANSFER_WRITE;
-
+
if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
dsty = rbDraw->Base.Height - dsty - height;
}
ptDraw = pipe_get_transfer(st_context(ctx)->pipe,
- rbDraw->texture, 0, 0, 0,
- usage, dstx, dsty,
- width, height);
+ rbDraw->texture, 0, 0,
+ usage, dstx, dsty,
+ width, height);
assert(util_format_get_blockwidth(ptDraw->resource->format) == 1);
assert(util_format_get_blockheight(ptDraw->resource->format) == 1);
static void
-st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
+st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint dstx, GLint dsty, GLenum type)
{
struct st_renderbuffer *rbRead;
void *driver_vp, *driver_fp;
struct pipe_resource *pt;
- struct pipe_sampler_view *sv;
+ struct pipe_sampler_view *sv[2];
+ int num_sampler_view = 1;
GLfloat *color;
enum pipe_format srcFormat, texFormat;
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);
return;
}
+ /*
+ * Get vertex/fragment shaders
+ */
if (type == GL_COLOR) {
rbRead = st_get_color_read_renderbuffer(ctx);
color = NULL;
- driver_fp = combined_drawpix_fragment_program(ctx);
+
+ 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++;
+ }
}
else {
assert(type == GL_DEPTH);
rbRead = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer);
color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
- driver_fp = make_fragment_shader_z(st);
+
+ fpv = get_depth_stencil_fp_variant(st, GL_TRUE, GL_FALSE);
+ driver_fp = fpv->driver_shader;
+
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
srcFormat = rbRead->texture->format;
- if (screen->is_format_supported(screen, srcFormat, st->internal_target, sample_count,
+ if (screen->is_format_supported(screen, srcFormat, st->internal_target,
+ sample_count,
PIPE_BIND_SAMPLER_VIEW, 0)) {
texFormat = srcFormat;
}
if (!pt)
return;
- sv = st_create_texture_sampler_view(st->pipe, pt);
- if (!sv) {
+ sv[0] = st_create_texture_sampler_view(st->pipe, pt);
+ if (!sv[0]) {
pipe_resource_reference(&pt, NULL);
return;
}
/* Make temporary texture which is a copy of the src region.
*/
if (srcFormat == texFormat) {
- struct pipe_subresource srcsub, dstsub;
- srcsub.face = 0;
- srcsub.level = 0;
- dstsub.face = 0;
- dstsub.level = 0;
- /* copy source framebuffer surface into mipmap/texture */
+ 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 */
- dstsub,
+ 0,
pack.SkipPixels, pack.SkipRows, 0, /* dest pos */
rbRead->texture, /* src tex */
- srcsub,
- readX, readY, 0, readW, readH); /* src region */
+ 0,
+ &src_box);
}
else {
/* CPU-based fallback/conversion */
struct pipe_transfer *ptRead =
- pipe_get_transfer(st->pipe, rbRead->texture, 0, 0, 0,
- PIPE_TRANSFER_READ,
- readX, readY, readW, readH);
+ pipe_get_transfer(st->pipe, rbRead->texture,
+ 0, 0, /* level, layer */
+ PIPE_TRANSFER_READ,
+ readX, readY, readW, readH);
struct pipe_transfer *ptTex;
enum pipe_transfer_usage transfer_usage;
else
transfer_usage = PIPE_TRANSFER_WRITE;
- ptTex = pipe_get_transfer(st->pipe, pt, 0, 0, 0, transfer_usage,
- 0, 0, width, height);
+ 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));
- pipe_get_tile_rgba(pipe, ptRead, readX, readY, readW, readH, buf);
- pipe_put_tile_rgba(pipe, ptTex, pack.SkipPixels, pack.SkipRows,
- readW, readH, buf);
+ 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, readX, readY, readW, readH, buf);
+ 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);
*/
draw_textured_quad(ctx, dstx, dsty, ctx->Current.RasterPos[2],
width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
- sv,
+ sv,
+ num_sampler_view,
driver_vp,
driver_fp,
- color, invertTex);
+ color, invertTex, GL_FALSE, GL_FALSE);
pipe_resource_reference(&pt, NULL);
- pipe_sampler_view_reference(&sv, NULL);
+ pipe_sampler_view_reference(&sv[0], NULL);
}
void
st_destroy_drawpix(struct st_context *st)
{
- st_reference_fragprog(st, &st->drawpix.z_shader, 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);
+ }
+
st_reference_fragprog(st, &st->pixel_xfer.combined_prog, NULL);
if (st->drawpix.vert_shaders[0])
ureg_free_tokens(st->drawpix.vert_shaders[0]);
projects / mesa.git / blobdiff