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GLSL Vertex and fragment shaders now have independent parameter buffers.
A new gl_uniform_list is used to keep track of program uniforms and where
each uniform is located in each shader's parameter buffer.
This makes better use of the space in each buffer and simplifies shader linking.
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This reverts commit 3ffd11f71d021f672b9bc15b3c39c155a0e2fecb.
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Currently a callback delete_shader_cb is used for deleting shader
and shader program objects. Mesa detaches all attached shaders in
_mesa_free_shader_program_data when deleting shader program objects. However
it is likely that these shaders have been freed in _mesa_free_shader,
which will result in unexpected behaviour. This fix uses a single callback for
shader program objects and deletes shader program objects before shader objects.
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Each array element is now a BUFFER_x token rather than a BUFFER_BIT_x bitmask.
The number of active color buffers is specified by _NumColorDrawBuffers.
This builds on the previous DrawBuffer changes and will help with drivers
implementing GL_ARB_draw_buffers.
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These fields are no longer indexed by shader output. Now, we just have
a simple array of renderbuffer pointers.
If the shader writes to gl_FragData[i], send those colors to the N
_ColorDrawBuffers. Otherwise, replicate the single gl_FragColor (or
the fixed-function color) to the N _ColorDrawBuffers.
A few more changes and simplifications can follow from this...
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The core problem was that _mesa_generate_mipmap was not respecting RowStride
of the source image. Additionally, the intel private data associated with the
images (level and face) was not being initialized for the
_mesa_generate_mipmap-generated images.
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GLSL sampler variables indicate which texture unit to use for TEX instructions.
Previously, this was baked into the fragment/vertex program and couldn't be
readily changed once set.
Now, SamplerUnits[] array indicates which texture unit is to be used for
each sampler variable. These values are set with glUniform1i().
This is extra state that must be passed to the fragment/vertex program
executor at runtime.
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This replaces the temporary occlusion counter functions we had before.
Added new ctx->Driver.WaitQuery() function which should block until the result is ready.
Sketch out some code for vertex transformation feedback counters.
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Simplification in colortab.c too.
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Use new _mesa_reference_texobj() function for referencing/unreferencing
textures. Add new assertions/tests to try to detect invalid usage of
deleted textures.
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Remove surface ptr from gl_renderbuffer.
Use st_renderbuffer in most places.
More clean-up.
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Z testing now works with i915 driver.
Add gl_renderbuffer::surface pointer (and reverse pointer).
Remove intel_surface and xmesa_surface types - no longer used.
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into softpipe_0_1_branch
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The clamping for these values depends on whether we're drawing AA or non-AA
points, lines. Defer clamping until drawing time. Drivers could compute and
keep clamped AA and clamped non-AA values if desired.
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into softpipe_0_1_branch
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of -I flags.
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The ARB_fp (and other assembly-level fragment program specs) say that the
depth comparison function is always GL_NONE in fragment program mode.
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This has some limitations as we currently require a mapped framebuffer,
so it only really works with double-buffered ximage rgba8888 windows.
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Shadow sampling from texture arrays is still not implemented. Everything
else should be there, though.
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Was removed during glsl-compiler work. Still need to go back and revisit this
because of the interaction with fragment shaders...
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ctx->Shader.EmitCondCodes determines if we use condition codes.
If not, IF statement uses first operand's X component as the condition.
Added OPCODE_BRK0, OPCODE_BRK1, OPCODE_CONT0, OPCODE_CONT1 to handle
the common cases of conditional break/continue.
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to fix #10232
Table6.1(in gl2.1) has been applied for glGetTexImage
before calling into _mesa_pack_rgba_span_float.
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The pixel transfer path has three color table lookups.
Use an array [3] to store that info, rather than separate variables.
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Reorder fields according to the order in which the pixel transfer operations
take place. Improve comments.
Move the pixel maps out of gl_pixel_attrib since they're not supposed to be
pushed/popped by glPush/PopAttrib.
New gl_pixelmap and gl_pixelmaps structs to contain the pixelmaps.
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GL_MAX_DRAW_BUFFERS is currently 4.
Added gl_FragData[] output for fragment programs.
In _swrast_write_rgba_span() loop over the color outputs/renderbuffers.
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Conflicts:
src/mesa/main/context.c
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fix glGetTexImage(GL_LUMINANCE) bug #10232.
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