mesa: Refactor element type checking into its own function
This consolidates the tests and makes the emitted error message consistent. v2: Rename _mesa_valid_element_type to valid_elements_type. Log the enum string instead of the hex value in error messages. Based on review comments from Brian Paul and Ken Graunke. Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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@ -31,6 +31,7 @@
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#include "mtypes.h"
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#include "enums.h"
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#include "vbo/vbo.h"
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#include <stdbool.h>
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/**
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@ -262,6 +263,26 @@ _mesa_valid_prim_mode(struct gl_context *ctx, GLenum mode, const char *name)
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return GL_TRUE;
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}
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/**
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* Verify that the element type is valid.
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*
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* Generates \c GL_INVALID_ENUM and returns \c false if it is not.
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*/
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static bool
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valid_elements_type(struct gl_context *ctx, GLenum type, const char *name)
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{
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switch (type) {
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case GL_UNSIGNED_BYTE:
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case GL_UNSIGNED_SHORT:
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case GL_UNSIGNED_INT:
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return true;
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default:
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_mesa_error(ctx, GL_INVALID_ENUM, "%s(type = %s)", name,
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_mesa_lookup_enum_by_nr(type));
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return false;
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}
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}
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/**
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* Error checking for glDrawElements(). Includes parameter checking
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@ -286,13 +307,8 @@ _mesa_validate_DrawElements(struct gl_context *ctx,
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return GL_FALSE;
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}
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if (type != GL_UNSIGNED_INT &&
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type != GL_UNSIGNED_BYTE &&
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type != GL_UNSIGNED_SHORT)
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{
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_mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(type)" );
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if (!valid_elements_type(ctx, type, "glDrawElements"))
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return GL_FALSE;
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}
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if (!check_valid_to_render(ctx, "glDrawElements"))
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return GL_FALSE;
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@ -348,13 +364,8 @@ _mesa_validate_MultiDrawElements(struct gl_context *ctx,
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return GL_FALSE;
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}
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if (type != GL_UNSIGNED_INT &&
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type != GL_UNSIGNED_BYTE &&
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type != GL_UNSIGNED_SHORT)
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{
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_mesa_error(ctx, GL_INVALID_ENUM, "glMultiDrawElements(type)" );
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if (!valid_elements_type(ctx, type, "glMultiDrawElements"))
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return GL_FALSE;
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}
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if (!check_valid_to_render(ctx, "glMultiDrawElements"))
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return GL_FALSE;
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@ -419,12 +430,8 @@ _mesa_validate_DrawRangeElements(struct gl_context *ctx, GLenum mode,
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return GL_FALSE;
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}
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if (type != GL_UNSIGNED_INT &&
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type != GL_UNSIGNED_BYTE &&
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type != GL_UNSIGNED_SHORT) {
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_mesa_error(ctx, GL_INVALID_ENUM, "glDrawRangeElements(type)" );
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if (!valid_elements_type(ctx, type, "glDrawRangeElements"))
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return GL_FALSE;
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}
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if (!check_valid_to_render(ctx, "glDrawRangeElements"))
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return GL_FALSE;
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@ -548,13 +555,8 @@ _mesa_validate_DrawElementsInstanced(struct gl_context *ctx,
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return GL_FALSE;
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}
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if (type != GL_UNSIGNED_INT &&
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type != GL_UNSIGNED_BYTE &&
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type != GL_UNSIGNED_SHORT) {
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_mesa_error(ctx, GL_INVALID_ENUM,
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"glDrawElementsInstanced(type=0x%x)", type);
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if (!valid_elements_type(ctx, type, "glDrawElementsInstanced"))
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return GL_FALSE;
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}
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if (numInstances <= 0) {
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if (numInstances < 0)
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