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-rw-r--r--mesalib/src/mesa/drivers/common/driverfuncs.c1
-rw-r--r--mesalib/src/mesa/drivers/common/meta.c197
-rw-r--r--mesalib/src/mesa/drivers/common/meta.h11
3 files changed, 209 insertions, 0 deletions
diff --git a/mesalib/src/mesa/drivers/common/driverfuncs.c b/mesalib/src/mesa/drivers/common/driverfuncs.c
index 6ece5d80e..4f0f7a686 100644
--- a/mesalib/src/mesa/drivers/common/driverfuncs.c
+++ b/mesalib/src/mesa/drivers/common/driverfuncs.c
@@ -95,6 +95,7 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
driver->TexImage = _mesa_store_teximage;
driver->TexSubImage = _mesa_store_texsubimage;
driver->GetTexImage = _mesa_meta_GetTexImage;
+ driver->ClearTexSubImage = _mesa_meta_ClearTexSubImage;
driver->CopyTexSubImage = _mesa_meta_CopyTexSubImage;
driver->GenerateMipmap = _mesa_meta_GenerateMipmap;
driver->TestProxyTexImage = _mesa_test_proxy_teximage;
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index 89d7a157c..b12898f26 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -40,6 +40,7 @@
#include "main/blit.h"
#include "main/bufferobj.h"
#include "main/buffers.h"
+#include "main/clear.h"
#include "main/colortab.h"
#include "main/condrender.h"
#include "main/depth.h"
@@ -47,6 +48,7 @@
#include "main/fbobject.h"
#include "main/feedback.h"
#include "main/formats.h"
+#include "main/format_unpack.h"
#include "main/glformats.h"
#include "main/image.h"
#include "main/macros.h"
@@ -71,6 +73,7 @@
#include "main/teximage.h"
#include "main/texparam.h"
#include "main/texstate.h"
+#include "main/texstore.h"
#include "main/transformfeedback.h"
#include "main/uniforms.h"
#include "main/varray.h"
@@ -505,6 +508,11 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
_mesa_set_enable(ctx, GL_COLOR_LOGIC_OP, GL_FALSE);
}
+ if (state & MESA_META_DITHER) {
+ save->DitherFlag = ctx->Color.DitherFlag;
+ _mesa_set_enable(ctx, GL_DITHER, GL_TRUE);
+ }
+
if (state & MESA_META_COLOR_MASK) {
memcpy(save->ColorMask, ctx->Color.ColorMask,
sizeof(ctx->Color.ColorMask));
@@ -875,6 +883,9 @@ _mesa_meta_end(struct gl_context *ctx)
_mesa_set_enable(ctx, GL_COLOR_LOGIC_OP, save->ColorLogicOpEnabled);
}
+ if (state & MESA_META_DITHER)
+ _mesa_set_enable(ctx, GL_DITHER, save->DitherFlag);
+
if (state & MESA_META_COLOR_MASK) {
GLuint i;
for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
@@ -3339,3 +3350,189 @@ _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
_mesa_meta_end(ctx);
}
+
+static bool
+cleartexsubimage_color(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ const GLvoid *clearValue,
+ GLint zoffset)
+{
+ mesa_format format;
+ union gl_color_union colorValue;
+ GLenum datatype;
+ GLenum status;
+
+ _mesa_meta_bind_fbo_image(GL_COLOR_ATTACHMENT0, texImage, zoffset);
+
+ status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE)
+ return false;
+
+ /* We don't want to apply an sRGB conversion so override the format */
+ format = _mesa_get_srgb_format_linear(texImage->TexFormat);
+ datatype = _mesa_get_format_datatype(format);
+
+ switch (datatype) {
+ case GL_UNSIGNED_INT:
+ case GL_INT:
+ if (clearValue)
+ _mesa_unpack_uint_rgba_row(format, 1, clearValue,
+ (GLuint (*)[4]) colorValue.ui);
+ else
+ memset(&colorValue, 0, sizeof colorValue);
+ if (datatype == GL_INT)
+ _mesa_ClearBufferiv(GL_COLOR, 0, colorValue.i);
+ else
+ _mesa_ClearBufferuiv(GL_COLOR, 0, colorValue.ui);
+ break;
+ default:
+ if (clearValue)
+ _mesa_unpack_rgba_row(format, 1, clearValue,
+ (GLfloat (*)[4]) colorValue.f);
+ else
+ memset(&colorValue, 0, sizeof colorValue);
+ _mesa_ClearBufferfv(GL_COLOR, 0, colorValue.f);
+ break;
+ }
+
+ return true;
+}
+
+static bool
+cleartexsubimage_depth_stencil(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ const GLvoid *clearValue,
+ GLint zoffset)
+{
+ GLint stencilValue;
+ GLfloat depthValue;
+ GLenum status;
+
+ _mesa_meta_bind_fbo_image(GL_DEPTH_ATTACHMENT, texImage, zoffset);
+
+ if (texImage->_BaseFormat == GL_DEPTH_STENCIL)
+ _mesa_meta_bind_fbo_image(GL_STENCIL_ATTACHMENT, texImage, zoffset);
+
+ status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE)
+ return false;
+
+ if (clearValue) {
+ GLuint depthStencilValue[2];
+
+ /* Convert the clearValue from whatever format it's in to a floating
+ * point value for the depth and an integer value for the stencil index
+ */
+ _mesa_unpack_float_32_uint_24_8_depth_stencil_row(texImage->TexFormat,
+ 1, /* n */
+ clearValue,
+ depthStencilValue);
+ /* We need a memcpy here instead of a cast because we need to
+ * reinterpret the bytes as a float rather than converting it
+ */
+ memcpy(&depthValue, depthStencilValue, sizeof depthValue);
+ stencilValue = depthStencilValue[1] & 0xff;
+ } else {
+ depthValue = 0.0f;
+ stencilValue = 0;
+ }
+
+ if (texImage->_BaseFormat == GL_DEPTH_STENCIL)
+ _mesa_ClearBufferfi(GL_DEPTH_STENCIL, 0, depthValue, stencilValue);
+ else
+ _mesa_ClearBufferfv(GL_DEPTH, 0, &depthValue);
+
+ return true;
+}
+
+static bool
+cleartexsubimage_for_zoffset(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLint zoffset,
+ const GLvoid *clearValue)
+{
+ GLuint fbo;
+ bool success;
+
+ _mesa_GenFramebuffers(1, &fbo);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
+
+ switch(texImage->_BaseFormat) {
+ case GL_DEPTH_STENCIL:
+ case GL_DEPTH_COMPONENT:
+ success = cleartexsubimage_depth_stencil(ctx, texImage,
+ clearValue, zoffset);
+ break;
+ default:
+ success = cleartexsubimage_color(ctx, texImage, clearValue, zoffset);
+ break;
+ }
+
+ _mesa_DeleteFramebuffers(1, &fbo);
+
+ return success;
+}
+
+static bool
+cleartexsubimage_using_fbo(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ const GLvoid *clearValue)
+{
+ bool success = true;
+ GLint z;
+
+ _mesa_meta_begin(ctx,
+ MESA_META_SCISSOR |
+ MESA_META_COLOR_MASK |
+ MESA_META_DITHER |
+ MESA_META_FRAMEBUFFER_SRGB);
+
+ _mesa_set_enable(ctx, GL_DITHER, GL_FALSE);
+
+ _mesa_set_enable(ctx, GL_SCISSOR_TEST, GL_TRUE);
+ _mesa_Scissor(xoffset, yoffset, width, height);
+
+ for (z = zoffset; z < zoffset + depth; z++) {
+ if (!cleartexsubimage_for_zoffset(ctx, texImage, z, clearValue)) {
+ success = false;
+ break;
+ }
+ }
+
+ _mesa_meta_end(ctx);
+
+ return success;
+}
+
+extern void
+_mesa_meta_ClearTexSubImage(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ const GLvoid *clearValue)
+{
+ bool res;
+
+ _mesa_unlock_texture(ctx, texImage->TexObject);
+
+ res = cleartexsubimage_using_fbo(ctx, texImage,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ clearValue);
+
+ _mesa_lock_texture(ctx, texImage->TexObject);
+
+ if (res)
+ return;
+
+ _mesa_warning(ctx,
+ "Falling back to mapping the texture in "
+ "glClearTexSubImage\n");
+
+ _mesa_store_cleartexsubimage(ctx, texImage,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ clearValue);
+}
diff --git a/mesalib/src/mesa/drivers/common/meta.h b/mesalib/src/mesa/drivers/common/meta.h
index 765f8dfe4..b269dceed 100644
--- a/mesalib/src/mesa/drivers/common/meta.h
+++ b/mesalib/src/mesa/drivers/common/meta.h
@@ -59,6 +59,7 @@
#define MESA_META_FRAMEBUFFER_SRGB 0x200000
#define MESA_META_OCCLUSION_QUERY 0x400000
#define MESA_META_DRAW_BUFFERS 0x800000
+#define MESA_META_DITHER 0x1000000
/**\}*/
/**
@@ -84,6 +85,9 @@ struct save_state
GLbitfield BlendEnabled;
GLboolean ColorLogicOpEnabled;
+ /** MESA_META_DITHER */
+ GLboolean DitherFlag;
+
/** MESA_META_COLOR_MASK */
GLubyte ColorMask[MAX_DRAW_BUFFERS][4];
@@ -473,6 +477,13 @@ _mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
GLsizei width, GLsizei height);
extern void
+_mesa_meta_ClearTexSubImage(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ const GLvoid *clearValue);
+
+extern void
_mesa_meta_GetTexImage(struct gl_context *ctx,
GLenum format, GLenum type, GLvoid *pixels,
struct gl_texture_image *texImage);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 14:55:19 +0000