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dc9f0869b1
This by itself is just more work refcounting all those images, but there's actually a goal here, that will become visible in future commits. But this is split out for correctness and benchmarking purposes (the overhead from refcounting seems to be negligible on my computer).
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
#include "config.h"
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#include "gskgpuconvertopprivate.h"
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#include "gskgpuframeprivate.h"
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#include "gskgpuprintprivate.h"
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#include "gskrectprivate.h"
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#include "gdk/gdkcolorstateprivate.h"
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#include "gpu/shaders/gskgpuconvertinstance.h"
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typedef struct _GskGpuConvertOp GskGpuConvertOp;
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struct _GskGpuConvertOp
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{
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GskGpuShaderOp op;
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};
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#define VARIATION_OPACITY (1u << 0)
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#define VARIATION_STRAIGHT_ALPHA (1u << 1)
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static void
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gsk_gpu_convert_op_print_instance (GskGpuShaderOp *shader,
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gpointer instance_,
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GString *string)
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{
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GskGpuConvertInstance *instance = (GskGpuConvertInstance *) instance_;
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gsk_gpu_print_rect (string, instance->rect);
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gsk_gpu_print_image_descriptor (string, shader->desc, instance->tex_id);
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if (shader->variation & VARIATION_STRAIGHT_ALPHA)
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gsk_gpu_print_string (string, "straight");
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}
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static const GskGpuShaderOpClass GSK_GPU_CONVERT_OP_CLASS = {
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{
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GSK_GPU_OP_SIZE (GskGpuConvertOp),
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GSK_GPU_STAGE_SHADER,
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gsk_gpu_shader_op_finish,
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gsk_gpu_shader_op_print,
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#ifdef GDK_RENDERING_VULKAN
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gsk_gpu_shader_op_vk_command,
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#endif
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gsk_gpu_shader_op_gl_command
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},
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"gskgpuconvert",
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gsk_gpu_convert_n_textures,
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sizeof (GskGpuConvertInstance),
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#ifdef GDK_RENDERING_VULKAN
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&gsk_gpu_convert_info,
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#endif
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gsk_gpu_convert_op_print_instance,
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gsk_gpu_convert_setup_attrib_locations,
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gsk_gpu_convert_setup_vao
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};
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void
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gsk_gpu_convert_op (GskGpuFrame *frame,
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GskGpuShaderClip clip,
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GskGpuColorStates color_states,
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float opacity,
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GskGpuDescriptors *desc,
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gboolean straight_alpha,
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const graphene_point_t *offset,
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const GskGpuShaderImage *image)
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{
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GskGpuConvertInstance *instance;
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gsk_gpu_shader_op_alloc (frame,
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&GSK_GPU_CONVERT_OP_CLASS,
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color_states,
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(opacity < 1.0 ? VARIATION_OPACITY : 0) |
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(straight_alpha ? VARIATION_STRAIGHT_ALPHA : 0),
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clip,
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desc,
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(GskGpuImage *[1]) { image->image },
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(GskGpuSampler[1]) { image->sampler },
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&instance);
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gsk_gpu_rect_to_float (image->coverage, offset, instance->rect);
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gsk_gpu_rect_to_float (image->bounds, offset, instance->tex_rect);
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instance->tex_id = image->descriptor;
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instance->opacity = opacity;
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}
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